Question

$x {3} - x {2} + ax + x - a - 1$

Answer 1

Heya !!

x3-x2+ax+x-a-1

x3-x2+ax-a+x-1

x2(x-1)+a(x-1)++x-1)

(x-1)(x2+a+1)

It helps you!
@cutecmsian

Answer 2

hope this will help you