Practice problem
Simplify 10x2+9x−8x2\frac{10x^2 + 9x -8}{x^2}x210x2+9x−8 when x≠0x\ne0x=0.
10+9x−810 + 9x - 810+9x−8
10+9x−8x210 + \frac{9}{x} -\frac{8}{x^2}10+x9−x28
10+9x−8x210 + 9x - \frac{8}{x^2}10+9x−x28
10x+9x−8x210x + \frac{9}{x} - \frac{8}{x^2}10x+x9−x28
Type a concept, like “slope” or “photosynthesis”.