Practice problem
Simplify 7x2−21x−70x−5\frac{7x^2-21x-70}{x-5}x−57x2−21x−70 assuming x−5≠0x-5\neq0x−5=0.
x2−x−1x\frac{x^2-x-1}{x}xx2−x−1
7x−357x-357x−35
7x+147x+147x+14
x+2x+2x+2
Type a concept, like “slope” or “photosynthesis”.