SOLUTION: Find the real solution of the equation x^6-35x^3=216

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Question 359716: Find the real solution of the equation
x^6-35x^3=216
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Solving for real solutions

x^6-35x^3 = 216

x^6 - 35x^3 - 216 = 0

using the Quadratic equation to solve for x^3

x%5E3+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+

x^3 = 40.353 

x = 3.43

x^3 = -5.353

x = -1.77