(2a+5)²(9a-14)

Simplify to a single algebraic equation
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1 Answer

(2a+5)2=4a2+20a+25;

(2a+5)2(9a-14)=9a(4a2+20a+25)-14(4a2+20a+25)=

36a3+180a2+225a

          -56a2 -280a-350=

36a3+124a2-55a-350.

by Top Rated User (1.2m points)

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