28y^2+7y+10=0

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Solution for 28y^2+7y+10=0 equation:


Simplifying
28y2 + 7y + 10 = 0

Reorder the terms:
10 + 7y + 28y2 = 0

Solving
10 + 7y + 28y2 = 0

Solving for variable 'y'.

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

Divide each side by '28'.
0.3571428571 + 0.25y + y2 = 0

Move the constant term to the right:

Add '-0.3571428571' to each side of the equation.
0.3571428571 + 0.25y + -0.3571428571 + y2 = 0 + -0.3571428571

Reorder the terms:
0.3571428571 + -0.3571428571 + 0.25y + y2 = 0 + -0.3571428571

Combine like terms: 0.3571428571 + -0.3571428571 = 0.0000000000
0.0000000000 + 0.25y + y2 = 0 + -0.3571428571
0.25y + y2 = 0 + -0.3571428571

Combine like terms: 0 + -0.3571428571 = -0.3571428571
0.25y + y2 = -0.3571428571

The y term is 0.25y.  Take half its coefficient (0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
0.25y + 0.015625 + y2 = -0.3571428571 + 0.015625

Reorder the terms:
0.015625 + 0.25y + y2 = -0.3571428571 + 0.015625

Combine like terms: -0.3571428571 + 0.015625 = -0.3415178571
0.015625 + 0.25y + y2 = -0.3415178571

Factor a perfect square on the left side:
(y + 0.125)(y + 0.125) = -0.3415178571

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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