Answer:
x3−4x2−11x−6
Stp-by-step explanation:
(1+x)(x2+−5x+−6)
=(1)(x2)+(1)(−5x)+(1)(−6)+(x)(x2)+(x)(−5x)+(x)(−6)
=x2−5x−6+x3−5x2−6x
=x3−4x2−11x−6
