2y^2+27y+13=0 quadratik equation by factorisation
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2y^2+27y+13=0
2y^2+26y+y+13=0
(2y^2+y)+(26y+13)=0
y(2y+1)+13(2y+1)=0
(2y+1)(y+13)= 0
2y+1=0. |. y+13=0
2y=-1. |. y=-13
y=-1/2. |
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