Question

Solve for x. x3 =−125

Answer 1

5

Explanation:

Did it on usa test prep

Answer 2

x = -5 or x = 5 (-1)^(1/3) or x = -5 (-1)^(2/3)

Explanation:

Solve for x:

x^3 = -125

Taking cube roots gives 5 (-1)^(1/3) times the third roots of unity:

Answer: x = -5 or x = 5 (-1)^(1/3) or x = -5 (-1)^(2/3)