SOLUTION: Solve the quadratic equation y^2-5y=-4 Thank you!

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Question 1065643: Solve the quadratic equation y^2-5y=-4
Thank you!
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y%5E2-5y=-4
Complete the square,
y%5E2-5y%2B%285%2F2%29%5E2=-4%2B%285%2F2%29%5E2
%28y-5%2F2%29%5E2=-16%2F4%2B25%2F4
%28y-5%2F2%29%5E2=9%2F4
y-5%2F2=0+%2B-+3%2F2
y=5%2F2+%2B-+3%2F2
So then,
y=5%2F2%2B3%2F2=8%2F2=4
and
y=5%2F2-3%2F2=2%2F2=1

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the quadratic equation y^2-5y=-4
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y^2-5y+4 = 0
I would factor it.