Question

Factor the binomial 15b^3-15b

Answer 1

24

Explanation:

Answer 2

15b (b+1) (b-1)

Explanation:

15b^3-15b

15b^2 b - 15b

15b ( b^2 - 1)

Factor b^2 ( b+1) (b - 1)

b^2 -1

b^2 -1^2

= ( b + 1 ) ( b - 1 )

Answer = 15b ( b + 1 ) ( b - 1 )