.12x^2-2x+15=0

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Solution for .12x^2-2x+15=0 equation:


Simplifying
0.12x2 + -2x + 15 = 0

Reorder the terms:
15 + -2x + 0.12x2 = 0

Solving
15 + -2x + 0.12x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.12'.
125 + -16.66666667x + x2 = 0

Move the constant term to the right:

Add '-125' to each side of the equation.
125 + -16.66666667x + -125 + x2 = 0 + -125

Reorder the terms:
125 + -125 + -16.66666667x + x2 = 0 + -125

Combine like terms: 125 + -125 = 0
0 + -16.66666667x + x2 = 0 + -125
-16.66666667x + x2 = 0 + -125

Combine like terms: 0 + -125 = -125
-16.66666667x + x2 = -125

The x term is -16.66666667x.  Take half its coefficient (-8.333333335).
Square it (69.44444447) and add it to both sides.

Add '69.44444447' to each side of the equation.
-16.66666667x + 69.44444447 + x2 = -125 + 69.44444447

Reorder the terms:
69.44444447 + -16.66666667x + x2 = -125 + 69.44444447

Combine like terms: -125 + 69.44444447 = -55.55555553
69.44444447 + -16.66666667x + x2 = -55.55555553

Factor a perfect square on the left side:
(x + -8.333333335)(x + -8.333333335) = -55.55555553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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