91Ó°ÊÓ

In the following exercises, divide the rational expressions.

$\frac{{\displaystyle \frac{2a^2-a-21}{5a+20}}}{{\displaystyle \frac{a^2+7a+12}{a^2+8a+16}}}$

In the following exercises, divide the rational expressions.

$\frac{{\displaystyle \frac{3b^2+2b-8}{12b+18}}}{{\displaystyle \frac{3b^2+2b-8}{2b^2-7b-15}}}$

In the following exercises, divide the rational expressions.

$\frac{{\displaystyle \frac{12c^2-12}{2c^2-3c+1}}}{{\displaystyle \frac{4c+4}{6c^2-13c+5}}}$

In the following exercises, divide the rational expressions.

$\frac{{\displaystyle \frac{4d^2+7d-2}{35d+10}}}{{\displaystyle \frac{d^2-4}{7d^2-12d-4}}}$

For the following exercises, perform the indicated operations.$\frac{10m^2+80m}{3m-9}.\frac{m^2+4m-21}{m^2-9m+20}÷\frac{5m^2+10m}{2m-10}$

For the following exercises, perform the indicated operations.

$\frac{4n^2+32n}{3n+2}.\frac{3n^2-n-2}{n^2+n-30}÷\frac{108n^2-24n}{n+6}$

For the following exercises, perform the indicated operations.
$\frac{12p^2+3p}{p+3}÷\frac{p^2+2p-63}{p^2-p-12}.\frac{p-7}{9p^3-9p^2}$

For the following exercises, perform the indicated operations.

$\frac{6q+3}{9q^2-9q}÷\frac{q^2+14q+33}{q^2+4q-5}.\frac{4q^2+12q}{12q+6}$

In the following exercises, find the domain of each function.

$R\left(x\right)=\frac{x^3-2x^2-25x+50}{x^2-25}$

In the following exercises, simplify each rational expression.

$\frac{56}{63}$