SOLUTION: What is the real solution of this polynomial equation? X^4 -36=0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: What is the real solution of this polynomial equation? X^4 -36=0       Log On


   

Question 460783: What is the real solution of this polynomial equation?
X^4 -36=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the real solution of this polynomial equation?
X^4 -36=0
----
Factor:
(x^2-6)(x^2+6) = 0
-----------
x = sqrt(6) or x = -sqrt(6) or x = isqrt(6) or x = -isqrt(6)
=================================================================
Only the 1st 2 are Real Numbers.
=================================================================
Cheers,
Stan H.