Practice problem
What is the product of x+2x+1\frac{x+2}{x+1}x+1x+2 and x−1x−2\frac{x-1}{x-2}x−2x−1?
x2+x−2x2−x−2\frac{x^2+x-2}{x^2-x-2}x2−x−2x2+x−2
111
x2−x−2x2+x−2\frac{x^2-x-2}{x^2+x-2}x2+x−2x2−x−2
2x+12x−1\frac{2x+1}{2x-1}2x−12x+1
Type a concept, like “slope” or “photosynthesis”.