Question

(x+1) is a factor of the polynomial
x^3-2x^2+x+2​

Answer 1

$x + 1 = 0 \: \\ x = - 1 \\ x {}^{2} - 2x {}^{2} + x + 2 \\ - 1 {}^{2} - 2 \times - 1 {}^{2} + - 1 + 2 \\ - 1 - 2 - 1 + 2 \\ - 3 - 1 + 2 \\ - 4 + 2 \\ - 2 \\ - 2 \: is \: correct \: answer$