How do you simplify $2a(5+5a)-7(a+2)$ ?

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Answer 1 · 2017-02-05T04:10:35

$2a(5+5a)-7(a+2)=10^2+3a-14$

Simplify $2a(5+5a)-7(a+2)$ .

Expand.

$10a+10a^2-7a-14$

Gather like terms.

$10a-7a+10a^2-14$

Simplify,

$3a+10^2-14$

Rearrange terms in descending order.

$10^2+3a-14$

How do you simplify 2a(5+5a)-7(a+2)2a(5+5a)-7(a+2)?