Practice problem
Which of the following expressions equals 3x+2−7x−8\frac{3}{x+2}-\frac{7}{x-8}x+23−x−87?
21x+52(x−8)(x+2)\frac{21x+52}{(x-8)(x+2)}(x−8)(x+2)21x+52
−7x+18(x−8)(x+2)\frac{-7x+18}{(x-8)(x+2)}(x−8)(x+2)−7x+18
6x−32(x−8)(x+2)\frac{6x-32}{(x-8)(x+2)}(x−8)(x+2)6x−32
−4x−38(x−8)(x+2)\frac{-4x-38}{(x-8)(x+2)}(x−8)(x+2)−4x−38
Type a concept, like “slope” or “photosynthesis”.
