30y^2-19y+4=0

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Solution for 30y^2-19y+4=0 equation:


Simplifying
30y2 + -19y + 4 = 0

Reorder the terms:
4 + -19y + 30y2 = 0

Solving
4 + -19y + 30y2 = 0

Solving for variable 'y'.

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

Divide each side by '30'.
0.1333333333 + -0.6333333333y + y2 = 0

Move the constant term to the right:

Add '-0.1333333333' to each side of the equation.
0.1333333333 + -0.6333333333y + -0.1333333333 + y2 = 0 + -0.1333333333

Reorder the terms:
0.1333333333 + -0.1333333333 + -0.6333333333y + y2 = 0 + -0.1333333333

Combine like terms: 0.1333333333 + -0.1333333333 = 0.0000000000
0.0000000000 + -0.6333333333y + y2 = 0 + -0.1333333333
-0.6333333333y + y2 = 0 + -0.1333333333

Combine like terms: 0 + -0.1333333333 = -0.1333333333
-0.6333333333y + y2 = -0.1333333333

The y term is -0.6333333333y.  Take half its coefficient (-0.3166666667).
Square it (0.1002777778) and add it to both sides.

Add '0.1002777778' to each side of the equation.
-0.6333333333y + 0.1002777778 + y2 = -0.1333333333 + 0.1002777778

Reorder the terms:
0.1002777778 + -0.6333333333y + y2 = -0.1333333333 + 0.1002777778

Combine like terms: -0.1333333333 + 0.1002777778 = -0.0330555555
0.1002777778 + -0.6333333333y + y2 = -0.0330555555

Factor a perfect square on the left side:
(y + -0.3166666667)(y + -0.3166666667) = -0.0330555555

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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