SOLUTION: X^4-61x^2=-900
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Question 139451
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X^4-61x^2=-900
Found 2 solutions by
scott8148, checkley77
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Answer by
scott8148(6628)
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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)
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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