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OpenStudy (anonymous):
If x =3 and y = -2 , then y4 - 4x = ?
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jimthompson5910 (jim_thompson5910):
y^4 - 4x (-2)^4 - 4(3) 16 - 12 4 So y^4 - 4x = 4 when x = 3 and y = -2
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