Associated Topics || Dr. Math Home || Search Dr. Math

### Simplification Problems

```
Date: 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/
```
Associated Topics:
High School Basic Algebra
Middle School Algebra

Search the Dr. Math Library:

 Find items containing (put spaces between keywords):   Click only once for faster results: [ Choose "whole words" when searching for a word like age.] all keywords, in any order at least one, that exact phrase parts of words whole words

Submit your own question to Dr. Math
Math Forum Home || Math Library || Quick Reference || Math Forum Search