Factor: x^2 - 2x - 99

x^2 - 2x - 99

(x )(x ) ( -11)( +9)

(x-11)(x+9)

Check:

(x-11)(x+9)

(x)(x) (x)(9) (-11)(x) (-11)(9)

x^2 9x -11x -99

x^2 -2x -99