42y^2-16y+3=0

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Solution for 42y^2-16y+3=0 equation:


Simplifying
42y2 + -16y + 3 = 0

Reorder the terms:
3 + -16y + 42y2 = 0

Solving
3 + -16y + 42y2 = 0

Solving for variable 'y'.

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

Divide each side by '42'.
0.07142857143 + -0.380952381y + y2 = 0

Move the constant term to the right:

Add '-0.07142857143' to each side of the equation.
0.07142857143 + -0.380952381y + -0.07142857143 + y2 = 0 + -0.07142857143

Reorder the terms:
0.07142857143 + -0.07142857143 + -0.380952381y + y2 = 0 + -0.07142857143

Combine like terms: 0.07142857143 + -0.07142857143 = 0.00000000000
0.00000000000 + -0.380952381y + y2 = 0 + -0.07142857143
-0.380952381y + y2 = 0 + -0.07142857143

Combine like terms: 0 + -0.07142857143 = -0.07142857143
-0.380952381y + y2 = -0.07142857143

The y term is -0.380952381y.  Take half its coefficient (-0.1904761905).
Square it (0.03628117915) and add it to both sides.

Add '0.03628117915' to each side of the equation.
-0.380952381y + 0.03628117915 + y2 = -0.07142857143 + 0.03628117915

Reorder the terms:
0.03628117915 + -0.380952381y + y2 = -0.07142857143 + 0.03628117915

Combine like terms: -0.07142857143 + 0.03628117915 = -0.03514739228
0.03628117915 + -0.380952381y + y2 = -0.03514739228

Factor a perfect square on the left side:
(y + -0.1904761905)(y + -0.1904761905) = -0.03514739228

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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