Question

pls solve
a(a+4)+3a(2a²-1)+4a²+4 AT (a=-2)
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Answer 1

Answer:

-26

Step-by-step explanation:

a(a+4)+3a(2a²-1)+4a²+4

=(-2)(-2+4)+3(-2) {2(-2)²-1)+4(-2)²+4

=(-2)×2-6×7+16+4

=-4-42+20

=-46+20

=-26