Practice problem
Simplify x2+2x−63x2+4x−77\frac{x^2+2x-63}{x^2+4x-77}x2+4x−77x2+2x−63.
13\frac{1}{3}31
x+9x+11\frac{x+9}{x+11}x+11x+9
x+13x−4\frac{x+13}{x-4}x−4x+13
It's already simplified as much as it can be.
Type a concept, like “slope” or “photosynthesis”.
