# Collecting like terms

- Created by: Elca
- Created on: 12-03-15 19:24

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The difference between an **equation **and expression is that an equation has an equals sign.

To **simplify **an **expression **like terms are collected together.

**Example**

Simplify 2x^2 + 6y - x^2 + 4y - 6

Collect the like terms; 2x^2 - x^2 + 6y + 4y - 6

The x terms can be simplified: 2x^2 - x^2 = x^2

The…

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