7y^2+10y+12=0

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Solution for 7y^2+10y+12=0 equation:


Simplifying
7y2 + 10y + 12 = 0

Reorder the terms:
12 + 10y + 7y2 = 0

Solving
12 + 10y + 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'.
1.714285714 + 1.428571429y + y2 = 0

Move the constant term to the right:

Add '-1.714285714' to each side of the equation.
1.714285714 + 1.428571429y + -1.714285714 + y2 = 0 + -1.714285714

Reorder the terms:
1.714285714 + -1.714285714 + 1.428571429y + y2 = 0 + -1.714285714

Combine like terms: 1.714285714 + -1.714285714 = 0.000000000
0.000000000 + 1.428571429y + y2 = 0 + -1.714285714
1.428571429y + y2 = 0 + -1.714285714

Combine like terms: 0 + -1.714285714 = -1.714285714
1.428571429y + y2 = -1.714285714

The y term is 1.428571429y.  Take half its coefficient (0.7142857145).
Square it (0.5102040819) and add it to both sides.

Add '0.5102040819' to each side of the equation.
1.428571429y + 0.5102040819 + y2 = -1.714285714 + 0.5102040819

Reorder the terms:
0.5102040819 + 1.428571429y + y2 = -1.714285714 + 0.5102040819

Combine like terms: -1.714285714 + 0.5102040819 = -1.2040816321
0.5102040819 + 1.428571429y + y2 = -1.2040816321

Factor a perfect square on the left side:
(y + 0.7142857145)(y + 0.7142857145) = -1.2040816321

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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