Practice problem
Simplify the following expression. x4−x2−2x2−2\frac{x^4 - x^2 -2}{x^2-2}x2−2x4−x2−2
x2−1x^2 -1x2−1
x+1x + 1x+1
x2+1x^2 +1x2+1
x−1x-1x−1
Type a concept, like “slope” or “photosynthesis”.