Lexi1031 Lexi1031

20-05-2016
Mathematics

Answered

Factor this please: x^4-9x^2+20

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kxngsherk kxngsherk

20-05-2016

Your answer is (x+2)(x-2)(x^2-5)

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ShockWave15 ShockWave15

20-05-2016

x = ± √5 = ± 2.2361 x = 2 x = -2

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