SOLUTION: x^4-10x^2+25=0 find all real and complex solutions

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Question 1039445: x^4-10x^2+25=0 find all real and complex solutions
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the substitution, u=x%5E2
u%5E2-10u%2B25=0
%28u-5%29%5E2=0
u-5=0
u=5
x%5E2=5
x=0+%2B-+sqrt%285%29
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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x^4-10x^2+25=0 find all real and complex solutions
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%28x%5E2+-+5%29%5E2+=+0
x+=+-sqrt%285%29 multiplicity 2
x+=+%2Bsqrt%285%29 multiplicity 2