# Algebra notes

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- Created by: louisepardoe
- Created on: 05-04-16 14:51

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**Algebra**

Negative numbers

- + + makes +
- + - makes -
- - + makes -
- - -makes+

Letters mulitplied together

- abc means a x b x c
- gn squared means g x n x n
- (gn)squared means g x g x n x n
- p(q - r)squared means p x (q - r) x (q - r)

Terms

- a term is a collection of numbers, letters and brackets, all multiplied/divided together
- terms are separated by + and - signs

simplifying

- put bubbles around each term
- move the bubbles in the best order so that like terms are together
- combine like terms

single brackets

- the thing outside the brackets multiplies each separate term inside the brackets
- when letters are multiplied…

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