Solve the exponential equation. Express irrational solutions in exact form. 9 left parenthesis 8 Superscript 2 x right parenthesis equals 7 Question content area bottom Part 1 What is the exact answer? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is StartSet nothing EndSet . (Simplify your answer. Use a comma to separate answers as needed. Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.) B. There is no solution