What is the fully factored form of 9b^6-63b^3-90b^2?

Question

9b^2(b^2-7b^3/2 -10b)

9(b^6-7b^3-10b^2)

9b^2(b^4-7b-10)

9b(b^5-7b^2-10b)

Answer 1

The fully factored form of 9b^6-63b^3-90b^2 is 9b^2(b^2 - 7b - 10).