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How do you factor 8x^4 -32x^2=0
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How do you factor 8x^4 -32x^2=0

User Denski
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8x^4-32x^2=0\\\\8x^2(x^2-4)=0\\\\8x^2(x^2-2^2)=0\\\\\boxed{8x^2(x+2)(x-2)=0}
User Aaron Sarnat
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