Question

Factorise the cubic polynomial p(x) = x cube +2x square -5x -6

Answer 1

Answer:

p(x) =x-1 =0 =x= 1

p(1)= 1cube +2(1)square -5(1) -6

p(1)= 1+2+5-6

p(1)= 8-6

p(1)= 2