SOLUTION: how many real solutions are in -x^2+9x+7=0
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Question 875633
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how many real solutions are in -x^2+9x+7=0
Answer by
Alan3354(69443)
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Check the discriminant.
Disc < 0 no real
Disc = 0, 2 real, same number
Disc > 0, 2 different reals