Practice problem
Simplify x2+17x+72x2+14x+45 ⋅x2+4x−5x2+7x−8\frac{x^2+17x+72}{x^2+14x+45}\ \cdot \frac{x^2+4x-5}{x^2+7x-8}x2+14x+45x2+17x+72 ⋅x2+7x−8x2+4x−5 when x<−100x < -100x<−100.
111
222
333
444
Type a concept, like “slope” or “photosynthesis”.