Question

find the value of polinomiyal​

Answer 1

well let me help you out

in the polynomial 2+x+2x²-x³

it's given that x=2

2+2+2(2)²-(2)³

4+2×4-8

4+8-8

4

Hope this help you ....✌️✌️

Answer 2

$Hence,\: the\:value \:of\:(x)=2 ,\\∴p(x) = 2 + x + 2x^{2} - x^{3} \\∴ p(2) = 2 + 2 + (2 \times 2^{2}) - 2^{3} \\ = 4 + (2 \times 4) - 8 \\ = 4 + 8 - 8 \\ = 12 - 8 \\ = 4$