Completely factor: 108−75z^2
Factor the following: 108-75 z^2
Factor -3 out of 108-75 z^2: -3 (25 z^2-36)
25 z^2-36 = (5 z)^2-6^2: -3(5 z)^2-6^2
Factor the difference of two squares. (5 z)^2-6^2 = (5 z-6) (5 z+6): Answer: | -3(5 z-6) (5 z+6)
