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#