1. Which expression is the completely factored form of x^6−64y^3 ?

A. (x^2−4y)^3

B. (x^2−4y)(x^4+4x^2y+16y^2)

C. (x^2+4y)(x^4−4x^2y+16y^2)

D. (x^2−4y)(x^4−16y^2)

2. What is the missing term in the factorization?

12x^2−75=3(2x+?)(2x−5)


3. Factor.

x(3y−5)+3(3y−5)


4. Factor.

20xy−4y+35x−7