91Ó°ÊÓ

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{\frac{2}{r}+\frac{2}{t}}{ \frac{1}{r^2}-\frac{1}{t^2}}$

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{\frac{2}{x+5}}{\frac{3}{x-5}+\frac{1}{x^2-25}}$

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{\frac{5}{y-4}}{\frac{3}{y+4}+\frac{2}{y^2-16}}$

Simplify a Complex Rational Expression by Using the LCD.

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{\frac{5}{z^2-64}+\frac{3}{z+8}}{\frac{1}{z+8}+\frac{2}{z-8}}$

Simplify a Complex Rational Expression by Using the LCD.

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{{\displaystyle \frac{4}{a^2-2a-15}}}{{\displaystyle \frac{1}{a-5}}+{\displaystyle \frac{2}{a+3}}}$.

Simplify the rational expression$\frac{-5c^2-10c}{-10c^2+30c+100}.$

Simplify a Complex Rational Expression by Using the LCD.

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{{\displaystyle \frac{5}{b^2-6b-27}}}{{\displaystyle \frac{3}{b-9}}+{\displaystyle \frac{1}{b+3}}}$.

Simplify a Complex Rational Expression by Using the LCD.

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{{\displaystyle \frac{5}{c+2}}-{\displaystyle \frac{3}{c+7}}}{{\displaystyle \frac{5c}{c^2+9c+14}}}$.

Simplify a Complex Rational Expression by Using the LCD.

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{\frac{6}{d-4}-{\displaystyle \frac{2}{d+7}}}{{\displaystyle \frac{2d}{d^2+3d-28}}}$.

Simplify a Complex Rational Expression by Using the LCD.

In the following exercises, simplify each complex rational expression by using the LCD.

$\frac{2+{\displaystyle \frac{1}{p-3}}}{{\displaystyle \frac{5}{p-3}}}$.