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Solve 5y 2 = 405 9 ±9 ±81
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Solve 5y 2 = 405 9 ±9 ±81

User Karren
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5y^2 = 405
y^2 = 405/5
y^2 = 81
y = - 9 and y = 9

answer
±9
User Homebrand
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