Simplification ProblemsDate: 8/20/96 at 22:55:45 From: Anonymous Subject: Simplification Problems Simplify 2x(4-2x+y) - 5x(y^2+x-y) Date: 8/21/96 at 1:1:17 From: Doctor Paul Subject: Simplification Problems Multiplying a * (b + c) in a problem is the same as using a*b + a*c. Let's use the above principle: 8x - 4x^2 + 2xy - 5xy^2 - 5x^2 + 5xy Now let's combine like terms: 8x - 9x^2 + 7xy - 5xy^2 I hope this helps clear things up. Regards, -Doctor Paul, The Math Forum Check out our web site! http://mathforum.org/dr.math/ |
Search the Dr. Math Library: |
[Privacy Policy] [Terms of Use]
Ask Dr. Math^{TM}
© 1994- The Math Forum at NCTM. All rights reserved.
http://mathforum.org/dr.math/