91Ó°ÊÓ

Divide Rational Expressions:$\frac{16a^2}{4a + 36}÷\frac{4a^2-24a}{a^2 + 4a − 45}$.

Divide Rational Expressions:$\frac{24b^2}{2b − 4}÷\frac{12b^2+36b}{b^2 − 11b + 18}$

Divide Rational Expressions:$\frac{5c^2+9c-2}{c^2-4}÷\frac{5c^2-16c+3}{c^2+4c+4}$

Divide Rational Expressions:$   \frac{2d^2 + d − 3}{d^2 − 16}÷\frac{2d^2 − 9d − 18}{d^2 − 8d + 16}$.

Divide Rational Expressions:$\frac{6m^2 − 11m − 2}{9 − m^2}÷\frac{6m^2 + 25m + 4}{m^2 − 6m + 9}$

Divide Rational Expressions:$\frac{2n^2 − 3n − 14}{25 − n^2}÷\frac{2n^2 − 13n + 21}{n^2 − 10n + 25}$

Divide Rational Expressions:$\frac{3s^2}{s^2 − 16}÷\frac{s^3 + 4s^2 + 16s}{s^3 − 64}$.

In the following exercises, evaluate the rational expression for the given values.

$$\begin{gathered} \frac{a^2-4}{a^2+5a+4} \\ \left(a\right)a=0 \\ \left(b\right)a=1 \\ \left(c\right)a=-2 \end{gathered}$$

Divide Rational Expressions:$\frac{r^2 − 9}{15}÷\frac{r^3 − 27}{5r^2 + 15r + 45}$

Divide Rational Expressions:$\frac{p^3 + q^3}{3p^2 + 3pq + 3q^2}÷\frac{p^2 − q^2}{12}$