The following equation is given. Complete parts (a)-(o) x-3x -25x + 75-0 b. Use synthetic division to test several possible rational roots in order to identify one actual root. One rational root of the given equation is (Simplify your answer.) c. Use the root from part (b) and solve the equation. The solution set of x-3x -25x + 75-0 is ) (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expre Enter your answer in each of the answer boxes.