SOLUTION: X^4-61x^2=-900

Question 139451: X^4-61x^2=-900
Found 2 solutions by scott8148, checkley77:
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
adding 900 __ x^4-61x^2+900=0

factoring __ (x^2-36)(x^2-25)=0

factoring __ (x+6)(x-6)(x+5)(x-5)=0

x= 6, -6, 5, -5
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
X^4-61x^2=-900
x^4-61x^2+900=0
(x^2-36)(x^2-25)=0
(x+6)(x-6)(x+5)(x-5)=0

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