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Find the real or imaginary solution by factoring x^4-12x^2=64
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Nov 7, 2017
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Find the real or imaginary solution by factoring
x^4-12x^2=64
Mathematics
high-school
Ksenia
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x^4-12x^2=64
x^4-12x^2-64=0
t^2-12t-64=0
t=16
t=-4
x^2=16
x^2=-4
x=4
x=-4
x does not belong R
x=-4
x=4
X1=-4
X2=4
Abhaya
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Nov 11, 2017
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Abhaya
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