91Ó°ÊÓ

Find the value of each of the following expressions when \(x=4\). $$4 x+7$$

Expand and multiply. $$(5 x+4)^{2}$$

Find the value of each of the following expressions when \(x=-3\). $$4 x+7$$

Divide as indicated. Write your answer using only positive exponents. $$\frac{10}{10^{-3}}$$

Simplify the following expressions. $$5 x+3 x-11 x$$

Simplify the following expressions. $$3 a-14 a+5 a$$

Expand and multiply. $$(2 x-4)^{2}$$

Simplify each expression. Write your answer using only positive exponents. $$7 x \cdot 3 x^{-4} \cdot 2 x^{5}$$

Simplify the following expressions. \(\left(9 a^{5} b^{6}\right)^{2}\left(8 a^{5} b\right)\)

Simplify each expression. Write your answer using only positive exponents. $$\frac{X^{-2} \cdot X^{-8}}{X^{-12}}$$