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3m2+7=55 answer please

3m2+7=55 answer please
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3m2+7=55 answer please

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User RS Conley
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3m^2+7=55\ \ \ |-7\\\\3m^2=48\ \ \ |:3\\\\m^2=16\to m=\pm√(16)\\\\m=-4\ \vee\ m=4
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User Mauzilla
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