SOLUTION: I need help solving this equation. I am drawing a blank where to start. Please help. x^(3/2) - 2^(3/4) + 1 = 0

Algebra ->  Linear-equations -> SOLUTION: I need help solving this equation. I am drawing a blank where to start. Please help. x^(3/2) - 2^(3/4) + 1 = 0      Log On


   



Question 783810: I need help solving this equation. I am drawing a blank where to start. Please help.
x^(3/2) - 2^(3/4) + 1 = 0

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x^(3/2) - 2^(3/4) + 1 = 0
x^(3/2) = 2^(3/4) + 1
x^3 = 2^(3/2) + 2*2^(3/4) + 1
x^3 = 2^(3/2) + 2^(7/4) + 1
x^3 =~ 15.1421356
x =~ 2.47398 (principal value)