28y^2+5y+8=

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Solution for 28y^2+5y+8= equation:


Simplifying
28y2 + 5y + 8 = 0

Reorder the terms:
8 + 5y + 28y2 = 0

Solving
8 + 5y + 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'.
0.2857142857 + 0.1785714286y + y2 = 0

Move the constant term to the right:

Add '-0.2857142857' to each side of the equation.
0.2857142857 + 0.1785714286y + -0.2857142857 + y2 = 0 + -0.2857142857

Reorder the terms:
0.2857142857 + -0.2857142857 + 0.1785714286y + y2 = 0 + -0.2857142857

Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000
0.0000000000 + 0.1785714286y + y2 = 0 + -0.2857142857
0.1785714286y + y2 = 0 + -0.2857142857

Combine like terms: 0 + -0.2857142857 = -0.2857142857
0.1785714286y + y2 = -0.2857142857

The y term is 0.1785714286y.  Take half its coefficient (0.0892857143).
Square it (0.007971938778) and add it to both sides.

Add '0.007971938778' to each side of the equation.
0.1785714286y + 0.007971938778 + y2 = -0.2857142857 + 0.007971938778

Reorder the terms:
0.007971938778 + 0.1785714286y + y2 = -0.2857142857 + 0.007971938778

Combine like terms: -0.2857142857 + 0.007971938778 = -0.277742346922
0.007971938778 + 0.1785714286y + y2 = -0.277742346922

Factor a perfect square on the left side:
(y + 0.0892857143)(y + 0.0892857143) = -0.277742346922

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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