{x}^(3) - 4x + \sqrt{{x}^(3) - 4x + 9 } = 3 Help me please ​

Question

`{x}^(3) - 4x + \sqrt{{x}^(3) - 4x + 9 } = 3`
Help me please ​

Answer 1

x= -2,0,2

For this question, you need to isolate all terms under the square root, so you need to move x^3 and -4x to the right. Then you would square both sides, and combine like terms.