-7y^2+13y-132=0

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Solution for -7y^2+13y-132=0 equation:


Simplifying
-7y2 + 13y + -132 = 0

Reorder the terms:
-132 + 13y + -7y2 = 0

Solving
-132 + 13y + -7y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
18.85714286 + -1.857142857y + y2 = 0

Move the constant term to the right:

Add '-18.85714286' to each side of the equation.
18.85714286 + -1.857142857y + -18.85714286 + y2 = 0 + -18.85714286

Reorder the terms:
18.85714286 + -18.85714286 + -1.857142857y + y2 = 0 + -18.85714286

Combine like terms: 18.85714286 + -18.85714286 = 0.00000000
0.00000000 + -1.857142857y + y2 = 0 + -18.85714286
-1.857142857y + y2 = 0 + -18.85714286

Combine like terms: 0 + -18.85714286 = -18.85714286
-1.857142857y + y2 = -18.85714286

The y term is -1.857142857y.  Take half its coefficient (-0.9285714285).
Square it (0.8622448978) and add it to both sides.

Add '0.8622448978' to each side of the equation.
-1.857142857y + 0.8622448978 + y2 = -18.85714286 + 0.8622448978

Reorder the terms:
0.8622448978 + -1.857142857y + y2 = -18.85714286 + 0.8622448978

Combine like terms: -18.85714286 + 0.8622448978 = -17.9948979622
0.8622448978 + -1.857142857y + y2 = -17.9948979622

Factor a perfect square on the left side:
(y + -0.9285714285)(y + -0.9285714285) = -17.9948979622

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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