Question

Factor this trinomial.b^2-6b-7?your answer should consist of two binomials.

Answer 1

Short Answer: (b - 7)(b + 1)

The answer will consist of 2 factors each of which is a binomial. Please don't take that comment personally. It is just on Brainly we are told to be accurate.

This factors by sight. You do not need the quadratic formula (but you could use it).

(b - 7)(b + 1) are the two factors that you need. When you remove the brackets, you get b^2 - 6b- 7 back.

Answer 2

$b^2-6b-7=b^2+b-7b-7=b(b+1)-7(b+1)\\\\=\boxed{(b+1)(b-7)}$