6y^2+13y+15=0

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Solution for 6y^2+13y+15=0 equation:


Simplifying
6y2 + 13y + 15 = 0

Reorder the terms:
15 + 13y + 6y2 = 0

Solving
15 + 13y + 6y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
6 the coefficient of the squared term: 

Divide each side by '6'.
2.5 + 2.166666667y + y2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + 2.166666667y + -2.5 + y2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + 2.166666667y + y2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 2.166666667y + y2 = 0 + -2.5
2.166666667y + y2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
2.166666667y + y2 = -2.5

The y term is 2.166666667y.  Take half its coefficient (1.083333334).
Square it (1.173611113) and add it to both sides.

Add '1.173611113' to each side of the equation.
2.166666667y + 1.173611113 + y2 = -2.5 + 1.173611113

Reorder the terms:
1.173611113 + 2.166666667y + y2 = -2.5 + 1.173611113

Combine like terms: -2.5 + 1.173611113 = -1.326388887
1.173611113 + 2.166666667y + y2 = -1.326388887

Factor a perfect square on the left side:
(y + 1.083333334)(y + 1.083333334) = -1.326388887

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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