Question

P(3) if P(x) =x^3+3x^2-x+5

Answer 1

3^3 +3(3)^2-3+5
27+27+2
56 ..ANSWER

Answer 2

$p(x) = x^{3} + 3x ^{2} - x + 5 \\ p(3)= (3)^{3} + 3(3)^{2} - 3 + 5 \\ \: \: \: \: \: \: \: \: \: = 27 + 27 - 3 + 5 \\ \: \: \: \: \: \: \: \: \:= 54 + 2 \\ \: \: \: \: \: \: \: \: \: = 56$
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