Answer:
The answer is approximately 2.21456
Step-by-step explanation:
1. You simplify your equation to:
5x^3-11x-30=0
2. Now you can use the Newton Raphson method to solve this problem.
The Newton Raphson method can be used by calculating x + 1 until its delta turns into something below 0.00001, and the x value is your answer.
