Question

please answer the question ​

Answer 1

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

$g(x) = x - 2$

$g(x) = 0$

$x - 2 = 0$

$x = 2$

$p(2) = {(2)}^{3} + {(2)}^{2} + 2 + a = 0$

$8 + 4 + 2 + a = 0$

$14 + a = 0$

$a = - 14$