Multiply and simplify: x2−3x−10x2+7x+10⋅x2+4x−5x2−4x+4\frac{x^2 - 3x - 10}{x^2 + 7x + 10} \cdot \frac{x^2 + 4x - 5}{x^2 - 4x + 4}x2+7x+10x2−3x−10⋅x2−4x+4x2+4x−5
x−1x−2\frac{x-1}{x-2}x−2x−1
x−5x+2\frac{x-5}{x+2}x+2x−5
111
(x−5)(x−1)(x+2)(x−2)2\frac{(x-5)(x-1)}{(x+2)(x-2)^2}(x+2)(x−2)2(x−5)(x−1)