91Ó°ÊÓ

In the following exercises, simplify

$\left(a\right)7\sqrt{2}-3\sqrt{2}\left(b\right)7\sqrt[3]{p}+2\sqrt[3]{p}\left(c\right)5\sqrt[3]{x}-3\sqrt[3]{x}$

In the following exercises, simplify

$$\begin{gathered} \left(a\right)\sqrt{11b}-5\sqrt{11b}+3\sqrt{11b} \\ \left(b\right)8\sqrt[4]{11cd}+5\sqrt[4]{11cd}-9\sqrt[4]{11cd} \end{gathered}$$

In the following exercises, simplify

$$\begin{gathered} \left(a\right)\sqrt{48}+\sqrt{27} \\ \left(b\right)\sqrt[3]{54}+\sqrt[3]{128} \\ \left(c\right)6\sqrt[4]{5}-\frac{3}{2}\sqrt[4]{320} \end{gathered}$$

What is the difference between$9^2$and$\sqrt{9}$?

In the following exercise simplify

In the following exercises, simplify.

$$\begin{gathered} \left(a\right)\left(5\sqrt{6}\right)\left(-\sqrt{12}\right) \\ \left(b\right)\left(-2\sqrt[4]{18}\right)\left(-\sqrt[4]{9}\right) \end{gathered}$$

In the following exercises, simplify.

$$\begin{gathered} a)\left(3\sqrt{2x^3}\right)\left(7\sqrt{18x^2}\right) \\ b)\left(-6\sqrt[3]{20a^2}\right)\left(-2\sqrt[3]{16a^3}\right) \end{gathered}$$

In the following exercises, multiply

$$\begin{gathered} a)\sqrt{11}\left(8+4\sqrt{11}\right) \\ b)\sqrt[3]{3}\left(\sqrt[3]{9}+\sqrt[3]{18}\right) \end{gathered}$$

In the following exercises, multiply

$$\begin{gathered} a\left)\left(3 − 2\sqrt{7}\right)\left(5 − 4 \sqrt{7}\right) \\ b\right)\left(\sqrt[3]{x}-5\right)\left(\sqrt[3]{x}-3\right) \end{gathered}$$

In the following exercises, multiply

$\left(2\sqrt{7}-5\sqrt{11}\right)\left(4\sqrt{7}+9\sqrt{11}\right)$