# Simplifying an expression

We can often algebraic expressions by 'collecting like terms'.

Look at the expression

There are four terms

Two of the terms involve and two involve .

Now we can combine the terms and combine the terms to get .

## Example

Collect like terms and simplify this algebraic expression:

( and )

Now have a go at simplifying the following expressions.

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Now we combine multiplying out brackets and collecting like terms, to simplify algebraic expressions.

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Simplify

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Simplify