12x^2+8x = 4x(3x+2)
9x^2-4 = (3x-2)(3x+2)
I think you can see which factor cancels.
simplify:
12x^2 + 8x
-------------
9x^2 - 4
2 answers
thank you!
12x^2 + 8x
-------------
9x^2 - 4
2 answers