Question

Factor 64a^3 -8b^3 Explain all steps.

Answer 1

`8(2a- b)(4a^2+ 2ab+ b^2)`

Explanation:

factor out the 8

then you have the sum/difference of cubes..

look that up SOAP: same opposite, always a plus

`64a^3 -8b^3\\8(8a^3 -b^3)`

`8(2a- b)(4a^2+ 2ab+ b^2)`