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Factor this please: x^4-9x^2+20
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Factor this please: x^4-9x^2+20
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Sep 3, 2017
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Factor this please: x^4-9x^2+20
Mathematics
high-school
Dobbo
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x = ± √
5 = ± 2.2361
x = 2
x = -2
Zhengyue
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Sep 6, 2017
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Zhengyue
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Your answer is (x+2)(x-2)(x^2-5)
Jolo
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Sep 7, 2017
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