Question

if X + 1 and x minus 1 are the factor of x cube + x square - 2 X + 10 find the value of M and n​

Answer 1

$f(x) = {x}^{3} + {x}^{2} - 2x + 10 \\ f(1) = 1 + 1 - 2 + 10 = 10 \\ f ( - 1) = - 1 + 1 + 2 + 10 = 12 \\ m = 12 \: n = 10$