How do you simplify $2(x^2+2)-x+x^2+7$ ?

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Answer 1 · 2016-07-29T14:07:34

Use the distributive property, then combine like terms.

The distributive property states that a(b+c)=a⋅b+a⋅c. Let's use this to solve for $2(x^2+2)$ :

$2(x^2+2)=2*x^2+2*2=2x^2+4$

We now have $2x^2+4-x+x^2+7$ .

Next, just combine like terms to get our answer, $3x^2-x+11$ .

How do you simplify 2(x^2+2)-x+x^2+72(x^2+2)-x+x^2+7?