Question

Simplify (b + 1)3 - (b - 1)

Answer 1

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Let's solve :

• $(b + 1)3 - (b - 1)$

• $3b + 3 - b + 1$

• $2b + 4$

Answer 2

Answer:

Step-by-step explanation:

i think he is asking

(b+1)³-(b-1)

=b³+1³+3b*1(b+1)-b+1

=b³+1+3b²+3b-b+1

=b³+3b²+2b+2