Question

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

Answer 1

Answer:

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

$2 + 2 + 2(2)^{3} - {2}^{3}$

$4 + 16 - 8$

$20 - 8$

$12$

p(x)=12

Answer 2

Given:- x=2
2+x+2x^3-x^3
2+2+2(2)^3-(2)^3
4+16-8
4+8
12
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