Question

Need help hard understand

Answer 1

9. 2 ³√x = -4

multiply all sides by the power of 3

8 × x = -64

8x = -64

x = -8

10. ³√(x-7) - 3 = 1

³√(x-7) = 1 + 3

³√(x-7) = 4

multiply all sides by the power of 3

x - 7 = 64

x = 71

x = 11