SOLUTION: Find all solutions to the equation y(2y+7)=15 Thanks in advance

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Question 110058: Find all solutions to the equation y(2y+7)=15
Thanks in advance
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find all solutions to the equation y(2y+7)=15
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2y^2 + 7y - 15 = 0
y = [-7 +- sqrt(49-4*2*-15)]/4
y = [-7 +- sqrt(169)]/4
y = [-7 +- 13]/4
y = 3/2 or y = -5
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Cheers,
Stan H.