Question

3x^(2) - 6xy - 9y^(2) factor completely. factor out the greatest common factor first. How do you get to the answer 3(x-3y)(x+y)?

Answer 1

@aimmeBgood

First, factor out the common monomial factor to get the following:

3x^(2) - 6xy - 9 y^(2) = 3 ( x^2 -2xy -3 y^2)

Next is to factor ( x^2 -2xy -3 y^2)