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OpenStudy (anonymous):
how many solutions are there for 5x^2+7x-4=0
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OpenStudy (anonymous):
I assume you want to know the number of REAL solutions Calculate b^2 - 4ac 5x^2+7x-4=0 a b c a is 5 b is 7 c is -4 if b^2 - 4ac is < 0: no real solutions if b^2 - 4ac = 0: 1 real solution if b^2 - 4ac >0: 2 real solutions
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