6x(squared) - 2xy
________________________ (divided by)
y(squared) - 9x(squared)
factor out of the numerator -2x, so that
-2x(y-3x) is the numerator.
Factor the denominator as the difference of squares.
How do i do the difference os quares if y and 9x are different.
(a^2-b^2)=(a-b)(a+b) YOU should have memorized that.