help with algerbra studying?

Question

how do u simplify the following equation

X2+4x-5 X2-6x+9
___________ x ____________

X2-3X X2-1

Answer 1

(x^2 + 4x - 5)/ (x^2 - 3x) * (x^2 - 6x + 9)/ (x^2 - 1) =
(x+5)(x-1)(x-3)(x-3) / x(x-3)(x-1)(x+1) =
cancel an (x-3) and an (x-1)
(x+5)(x-3) / x(x+1) =
(x^2 +2x -15)/ (x^2 +x)