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.
x + 1
The answer to x2 - 2x - 4y2 - 4y =(x - 2y)(x - 2y - 2)
(x+4)(x-7)
x squared plus 5
2