Question

find the value of polynomial p(x)=x^3-5x^2+4x+1 at x=2​

Answer 1

ANSWER:

$p(x) = - 5$

EXPLANATION:

$x = 2$

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$p(x) = {x}^{3} - 5 {x}^{2} + 4x + 1$

$p(2) = {(2)}^{3} - 5{(2)}^{2} + 4(2) + 1$

$p(2) = 8 - 5(4) + 6 + 1$

$p(2) = 8 - 20 + 7$

$p(2) = - 5$

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