Mathematics, 03.08.2019 16:00 naomicervero

What is the number of real solution? -x²+9x+7=0 a)one solution. b)no real solution c)two solution. d) cannot be determined

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What is the number of real solution? -x²+9x+7=0 a)one solution. b)no real solution c)two solutio...

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