Divide: 5x−10x+2÷x−2x2−4\frac{5x-10}{x+2} \div \frac{x-2}{x^2-4}x+25x−10÷x2−4x−2
555
5(x+2)5(x+2)5(x+2)
5(x−2)(x+2)\frac{5}{(x-2)(x+2)}(x−2)(x+2)5
5(x−2)x+2⋅(x+2)(x−2)x−2\frac{5(x-2)}{x+2} \cdot \frac{(x+2)(x-2)}{x-2}x+25(x−2)⋅x−2(x+2)(x−2)