Lexi1031
Lexi1031
20-05-2016
Mathematics
contestada
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)
Answer Link
ShockWave15
ShockWave15
20-05-2016
x = ± √
5
= ± 2.2361
x = 2
x = -2
Answer Link
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