Solve the polynomial inequality using the graphical method. First, graph the function. Then write the solution set in interval notation. x3-5x²+2x+8<0 Use the graphing tool to graph the function. Click to enlarge graph The solution set to x3 -5x²+2x+8<0 (Type your answer in interval notation.) 10 8- 6- 4- 2 10 -B -6 2 4 6 8 10