# Topic 9: Complex Rational Expressions

Try the problem below. After you try the problem, you can watch a video to see a correct solution.
Simplify. $\frac{\frac{ 3}{ x }}{\frac { 1}{x – 1} }$
 A $$\displaystyle{2x-3}$$ B $$\displaystyle{\frac{x^2-x}{3}}$$ C $$\displaystyle{\frac{3x-3}{x}}$$ D $$\displaystyle{\frac{3}{x^2-x}}$$ E $$\displaystyle{0}$$

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

Simplify. $\frac{\frac{ 5}{ x }}{\frac { 2}{x + 1} }$
 A $$\displaystyle{3x+5}$$ B $$\displaystyle{\frac{5x+5}{2x}}$$ C $$\displaystyle{\frac{10}{x(x+1)}}$$ D $$\displaystyle{7}$$ E $$\displaystyle{\frac{7}{2x+1}}$$