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Question

For polynomial P(x)=6x3+29x2+44x+21 ,find P(-2).

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Solution

Given : P(x)=6x3+29x2+44x+21
Now, P(2)=6(2)3+29(2)2+44(2)+21
=6(8)+29(4)88+21
=48+11688+21
=1

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