SOLUTION: Solve. Identify all double roots.
x^4 - 25x^2 = 0
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Question 319435: Solve. Identify all double roots.
x^4 - 25x^2 = 0
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
This x^4 - 25x^2 = 0 can be rewritten as:
x^2(x^2-25)=0
This can be factored as:
x^2(x-5)(x+5)=0
Solve for x and we get:
x=0
x=-5
x=5
Make sense?
RJ
www.math-unlock.com
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