14x^2-7x+4=0

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Solution for 14x^2-7x+4=0 equation:


Simplifying
14x2 + -7x + 4 = 0

Reorder the terms:
4 + -7x + 14x2 = 0

Solving
4 + -7x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
0.2857142857 + -0.5x + x2 = 0

Move the constant term to the right:

Add '-0.2857142857' to each side of the equation.
0.2857142857 + -0.5x + -0.2857142857 + x2 = 0 + -0.2857142857

Reorder the terms:
0.2857142857 + -0.2857142857 + -0.5x + x2 = 0 + -0.2857142857

Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000
0.0000000000 + -0.5x + x2 = 0 + -0.2857142857
-0.5x + x2 = 0 + -0.2857142857

Combine like terms: 0 + -0.2857142857 = -0.2857142857
-0.5x + x2 = -0.2857142857

The x term is -0.5x.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5x + 0.0625 + x2 = -0.2857142857 + 0.0625

Reorder the terms:
0.0625 + -0.5x + x2 = -0.2857142857 + 0.0625

Combine like terms: -0.2857142857 + 0.0625 = -0.2232142857
0.0625 + -0.5x + x2 = -0.2232142857

Factor a perfect square on the left side:
(x + -0.25)(x + -0.25) = -0.2232142857

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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