What is the value at x=3 of P(x)=x^3+2x^2-5x+4?

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x=3 P(x)=x^3+2x^2-5x+4?

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P(3) = 3^3 + 2(3^2) - 5(3) + 4

P(3) = 9 + 18 - 15 + 4

P(3) = 16

Weiart000 Sep 23, 2020

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