# How do you simplify #(x^2 + 7x – 4) + (x^2 + 9)#?

##### 1 Answer

Dec 7, 2015

#### Answer:

#### Explanation:

There is no multiplication or division of the brackets so you simply remove the brackets, collect like terms and do the arithmetic (math)

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If we had been given

Then the minus sign in front of

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