# Rational Expressions

Try the problem below. After you try the problem, you can watch a video to see a correct solution.
For all $$x\neq\pm 6$$, $\frac{x^2 - 5x -6 } {x^2 - 36 } =$
 A $$\displaystyle{\frac{-5x}{6}}$$ B $$\displaystyle{\frac{x+1}{x+6}}$$ C $$\displaystyle{\frac{x-3}{x+6} }$$ D $$\displaystyle{\frac{x+6}{x-12}}$$ E $$\displaystyle{-5x+\frac{1}{6}}$$

After watching the video, try this problem to practice more.

For all $$x\neq\pm 3$$, $\frac{x^2 - 2x - 15} {x^2 - 9} =$
 A $$\displaystyle{\frac{-2x + 5}{3}}$$ B $$\displaystyle{\frac{x-5}{x+3}}$$ C $$\displaystyle{\frac{x-5}{x-3}}$$ D $$\displaystyle{\frac{5}{3}}$$ E $$\displaystyle{-\frac{5}{3}}$$
m4s0n501