Question

find the value of polynomial p(×)=2+x+2xcube -x cube at x=2​

Answer 1

Answer:

$2 + x + 2x {}^{3} - x {}^{3} \\ x {}^{3} + x + 2 \\ p(2) = (2) {}^{3} + 2 + 2 \\ 8 + 4 = 12$

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Answer 2

Answer:

10

Explanation:

p(x)=2+x+2xcube-xcube

p(2)=2+2+2(2)cube-(2)cube

2+2+2(8)-8=4+16-8=4+8=12