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Mathematics 21 Online
OpenStudy (anonymous):

How many real solutions of -4x^2-4=8x

OpenStudy (anonymous):

if b^2 - 4ac > 0, then 2 real answers b^2 - 4ac = 0, then 1 real answer b^2 - 4ac < 0, then 2 complex answers

OpenStudy (anonymous):

all I had was =8x..........

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