SOLUTION: x (to4th) - 50x(to 2nd) + 49 = 0 solve the equation

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Question 285024: x (to4th) - 50x(to 2nd) + 49 = 0 solve the equation
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
x^4-50x^2+49=0
x^4-49x^2-x^2+49=0
x^2(x^2-49)-1(x^2-49)=0
(x^2-49)(x^2-1)=0
(x+7)(x-7)(x+1)(x-1)=0