Find the sum: 5x2−4x+2x2−16\frac{5}{x^2 - 4x} + \frac{2}{x^2 - 16}x2−4x5+x2−162.
7x2−20\frac{7}{x^2-20}x2−207
5x+8x(x−4)(x+4)\frac{5x+8}{x(x-4)(x+4)}x(x−4)(x+4)5x+8
5x+20x(x−4)(x+4)\frac{5x+20}{x(x-4)(x+4)}x(x−4)(x+4)5x+20
7x+20x(x−4)(x+4)\frac{7x+20}{x(x-4)(x+4)}x(x−4)(x+4)7x+20