See attached for equations
19. Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers. Simplify your answer. Type in radical form.
21. Simplify by factoring. Assume that all expressions under the radical represent nonnegative numbers. Type an exact answer, using radicals as needed.
25. Divide. Then simplify by taking roots, if possible. Assume that all expression under radical represent positive numbers.
31. Multiply. Simplify your answer. Type an exact answer, using radicals as needed.
This provides several examples of solving radical equations, including exponents and fractions.