Question

How to factor cb(b+c)+(b+c)?

Answer 1

(b+c)(cb+1)

Explanation:

cb(b+c)+(b+c)

factor out the (b+c)

(b+c)[cb+1]

Answer 2

That's already half done, with the common factor of b+c parenthesized for us. We just pull it out and we're done:

`cb(b+c) + (b+c) = (cb + 1)(b+c)`