Question #9a020

1 Answer
Acquaintance
Jul 12, 2016

p(-2) = 12

Explanation:

I am assuming that p(x) = x^3 + 7x^2 + 4x and you want to find p(-2).

If this is the case, then plug in -2 for all variables x.

p(x) = x^3+7x^2+4x

p(-2)= (-2)^3 + 7(-2)^2 + 4(-2)

p(-2) = -8 + 28 -8

p(-2) = 20 - 8

p(-2) = 12

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