14x^2+-x+78=0

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Solution for 14x^2+-x+78=0 equation:


Simplifying
14x2 + -1x + 78 = 0

Reorder the terms:
78 + -1x + 14x2 = 0

Solving
78 + -1x + 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'.
5.571428571 + -0.07142857143x + x2 = 0

Move the constant term to the right:

Add '-5.571428571' to each side of the equation.
5.571428571 + -0.07142857143x + -5.571428571 + x2 = 0 + -5.571428571

Reorder the terms:
5.571428571 + -5.571428571 + -0.07142857143x + x2 = 0 + -5.571428571

Combine like terms: 5.571428571 + -5.571428571 = 0.000000000
0.000000000 + -0.07142857143x + x2 = 0 + -5.571428571
-0.07142857143x + x2 = 0 + -5.571428571

Combine like terms: 0 + -5.571428571 = -5.571428571
-0.07142857143x + x2 = -5.571428571

The x term is -0.07142857143x.  Take half its coefficient (-0.03571428572).
Square it (0.001275510204) and add it to both sides.

Add '0.001275510204' to each side of the equation.
-0.07142857143x + 0.001275510204 + x2 = -5.571428571 + 0.001275510204

Reorder the terms:
0.001275510204 + -0.07142857143x + x2 = -5.571428571 + 0.001275510204

Combine like terms: -5.571428571 + 0.001275510204 = -5.570153060796
0.001275510204 + -0.07142857143x + x2 = -5.570153060796

Factor a perfect square on the left side:
(x + -0.03571428572)(x + -0.03571428572) = -5.570153060796

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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