By factoring I get x-3 divided by x+3
xsquared minus x minus 72
(x + 2)(x - 9)
-3
0x-x=0
x = ? 42 = x squared minus x
By factoring I get x-3 divided by x+3
-22 - -22
xsquared minus x minus 72
(x - 5)(x + 4)
(x−6)(x+5)
Sin squared, cos squared...you removed the x in the equation.
The answer to x2 - 2x - 4y2 - 4y =(x - 2y)(x - 2y - 2)
x + 1
(x+4)(x-7)
x squared minus 12 x plus 36 = (x - 6)(x - 6)
x squared plus 5