Find the real solutions of the following equation. +3 3 4' 15 + 4 x+1=0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The solution set is (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed. Type each answer only once.) OB. The solution set is 0.