(x + 4)(x + 9)
(12x - 6)(12x + 6)
x2-5x-36 = (x-9(x+4) when factored
It is (x - 9)*(x + 4)
36 is the largest factor of 36,
(x - 9)(x - 4)
When factored it is: (x-9)(x+4)
x2 + 13x + 36 = (x + 9)(x + 4)
-10
(x-4)
(x + 4)(x + 9)
. x + 4
(x -3)(2x2 + 3x - 4)
(x + 9)(x + 4)
(12x - 6)(12x + 6)
x2-5x-36 = (x-9(x+4) when factored
x2-13x+36=(x-9)(x-4)=0 x=9 or x=4