91Ó°ÊÓ

Simplify each expression as completely as possible. Be sure your answers are in simplest radical form. Assume that all variables appearing under radical signs are nonnegative. $$\sqrt{24 a^{12}}$$

Perform the indicated operations. Simplify all answers as completely as possible. Assume that all variables appearing under radical signs are nonnegative. $$\sqrt{10}(\sqrt{90}-2 \sqrt{10})$$

In each of the following, perform the indicated operations and simplify as completely as possible. Assume all variables appearing under radical signs are non negative. $$\sqrt{13}+\sqrt{13}$$

Solve the given equation. $$4=\sqrt{4-3 u}$$

Evaluate or simplify each expression. (Assume \(x \geq 0 .)\) $$\sqrt{324}$$

Evaluate or simplify each expression. (Assume \(x \geq 0 .)\) $$\sqrt{361}$$

Simplify each expression as completely as possible. Be sure your answers are in simplest radical form. Assume that all variables appearing under radical signs are nonnegative. $$\sqrt{25 x^{7}}$$

In each of the following, perform the indicated operations and simplify as completely as possible. Assume all variables appearing under radical signs are non negative. $$\sqrt{5}+3 \sqrt{7}-4 \sqrt{5}-5 \sqrt{7}$$

Solve the given equation. $$\sqrt{1+x}+8=4$$

Perform the indicated operations. Simplify all answers as completely as possible. Assume that all variables appearing under radical signs are nonnegative. $$\sqrt{20}+\sqrt{20}+\sqrt{20} \sqrt{20}$$