Question

x^3+8=0 What are the solutions and how do you get them?
x^3+8=0 What are the solutions and how do you get them?
@Mathematics

Answer 1

x^3=-8
x=-2

Answer 2

x=-2

Answer 3

are you looking for complex solutions as well? or just real?

Answer 4

complex too

Answer 5

then you should factor as a sum of two cubes:\[x^3+8=(x+2)(x^2+2x+4)\]One solution is the -2, the other are the two complex solutions of:\[x^2+2x+4=0\]which can be obtained from the quadratic formula.

Answer 6

awesome thanks