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 TOPICS This page:   factoring    Search   Dr. Math See also the Dr. Math FAQ:   learning to factor MIDDLE SCHOOL About Math Algebra    equations    factoring expressions    graphing equations Arithmetic    division    exponents    factorials    factoring numbers    fractions/percents    logarithms Definitions Geometry    2-dimensional      conic sections/        circles      triangles/polygons    3D and higher      polyhedra History/Biography Logic Measurement    calendars/      dates/time    temperature    terms/units Number Sense    factoring numbers    negative numbers    pi    prime numbers    square roots Probability Puzzles Ratio/Proportion Statistics Word Problems Browse Middle School Factoring Expressions Stars indicate particularly interesting answers or good places to begin browsing. Factoring just numbers? Try Middle School Factoring Numbers. Factoring another Equation [11/14/1995] 40y squared + yz - 6z squared? Factoring a Quadratic Equation [05/13/1998] Using prime factorization and FOIL method to solve y^2 + 2y - 35 = 0. Factoring a Quadratic with Fractions [10/08/1999] How can I factor x^2 + (1/2)x + (1/16)? Factoring a Sum of Squares [10/15/2005] I do not understand why you cannot factor a sum of two squares, but you can factor a perfect square trinomial. Factoring a Trinomial [08/26/1997] How do you reduce 5k^2-13k-6 / 5k+2 to lowest terms? Factoring a Trinomial [08/22/2003] What is factoring by grouping? When factoring a trinomial, why is it necessary to write the trinomial in four terms? Factoring by Grouping [05/27/1998] How do you factor 2r^2 + rt - 6t^2 ? Factoring by Grouping [11/24/1997] Factor the expression by grouping: xy + ay - bx - ab . Factoring by Grouping to Solve a Polynomial Equation [05/26/2005] How do I solve an equation like x^3 + 3x^2 - x - 3 = 0 by factoring? I'm having trouble factoring because of the four terms and the x^3. Factoring Cubic Expressions [08/24/2010] A student wonders how to factor polynomials of odd degrees. Doctor Ian suggests exponent expansion and prime factorization. Factoring Equations with Many Variables [12/12/1996] XY ( X - Y ) + 3Y (X - Y)^2 Factoring in General [12/22/1995] I have never figured out factoring. I can sort of do it but I don't always get it right. Can you tell me how to factor better? Factoring into the Product of Two Trinomials [02/22/2003] Write as a product of two trinomials with integer coefficients: 6x^2 - xy + 23x - 2y^2 - 6y + 20 Factoring Polynomials [11/29/1999] How can I factor 4x^2 - 36, or x^2 + yz + xy + xz? Factoring Polynomials [3/14/1995] I am having trouble factoring polynomials. I would appreciate it if you could show me step-by-step instructions with examples. Factoring Polynomials [02/08/2003] Factor: 9y^4 + 12y^2 + 4. Factoring Polynomials of Degree 2 [4/8/1996] I am having a lot of difficulties factoring polynomials of the type: x^2 + 6x +8 and 3x^2 + 10x +8. Factoring Polynomials of Degree 3 [3/17/1996] Factor completely (x+2)^3 + (x+2)^2. Factoring Polynomials Using Substitution [09/26/2001] I can't get two questions on my own: x^2+10xy+25y^2-81z^2 and a^4-6a^ 2b^2-27b^4. Factoring Polynomials with Common Expressions [08/20/2005] A neat way to factor polynomial expressions like 8(x-3) - 2(x-3)² by taking out a common factor using substitution. Factoring Quadratics When a Doesn't = 1 [03/24/2003] A trick to solving quadratics was presented to me. I was wondering if there is a proof for it. Factoring Quadratic Trinomials [06/02/1998] Is there a general process I can use to factor equations? Factoring to Simplify vs. Factoring to Solve [05/26/2014] An adult wonders why the same factoring techniques that simplify rational expressions do not also apply when solving rational equations. With worked examples, Doctor Peterson troubleshoots the differences, then shares insights about multiplying by least common denominators (LCD). Factoring Trinomials [04/13/2005] Help on factoring d^2 - 33d - 280 and a general strategy for factoring trinomials. Factoring Trinomials: 9x^2 - 42x + 49 [10/15/2002] I am having a lot of trouble factoring this trinomial: 9x^2 - 42x + 49. Factoring Trinomials by the Grouping Method [12/08/2005] A discussion and proof of why factoring trinomials by grouping works. Factoring Trinomials in Quadratic Equations [02/15/2004] A discussion of several methods of factoring that can be used to solve the quadratic equation 15x^2 - 16x - 7 = 0. Factoring vs. Simplifying [03/02/2003] Factor the expression 1+y(1+x)^2(1+xy). Factoring (x - 1)(x^2 - x - 2) [11/04/1997] I don't remember how to factor. Factoring x^4 + (x^2)(y^2) + y^4 [04/25/2005] Is there any mathematical way or pattern to factor the polynomial x^4 + (x^2)(y^2) + y^4? Factorization [03/17/1999] Can you help me simplify 9b^2 - 24bc + 16c^2? Find a Pair of Factors of AC Whose Sum is B [04/12/2002] When I was a freshman, I was taught a method called A C Bust B, but I can't remember it. Finding a Single Pair of Factors [02/27/2002] Factor ax^2 - bx - c. Finding the Greatest Common Factor (GCF) [03/31/1998] I need help finding the GCF of terms that include both numbers and exponential variables. Finding the Sum of Solutions of a Polynomial Equation [03/11/2004] What is the sum of the solutions of x^3 + 2x^2 - 5x - 6 = 0 given that x = 2 is a solution? Fractions and Lowest Terms [07/19/2001] Simplifying expressions: how do you finish cancelling fractions, and then what do you multiply? What is the lowest term? General Sign Patterns for Factoring Trinomials [04/12/2005] How do the signs in the trinomial help tell you what signs will be in each of the two binomials when it's factored? Multiplying Algebraic Fractions [11/05/2002] Factoring quadratic expressions to get binomials that cancel. No Difference of Squares [02/08/1997] Factor 180x^2y - 108xy^2 -75x^3. Nonlinear Factors [10/12/1998] I have been told that factoring the sum of two squared numbers is not possible, but factoring x^4 + 4 is possible. Please explain. Page: []

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