SOLUTION: Please help x+2= cubert(12x+8) thank you

Algebra ->  Radicals -> SOLUTION: Please help x+2= cubert(12x+8) thank you      Log On


   



Question 47053: Please help
x+2= cubert(12x+8)
thank you

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x + 2 = cubed root (12x + 8)
(x + 2)(x + 2)(x + 2) = 12x + 8
(x^2 + 4x + 4)(x + 2) = 12x + 8
x^3 + 4x^2 + 4x + 2x^2 + 8x + 8 = 12x + 8
x^3 + 6x^2 = 0
x^2(x + 6) = 0
x = 0 and x = -6
graph%28600%2C600%2C-10%2C10%2C-10%2C10%2Cx%2B2%2C%2812x%2B8%29%5E%281%2F3%29%29