-15x^2+7x-2=0

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Solution for -15x^2+7x-2=0 equation: 


Simplifying
-15x2 + 7x + -2 = 0

Reorder the terms:
-2 + 7x + -15x2 = 0

Solving
-2 + 7x + -15x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-15 the coefficient of the squared term: 

Divide each side by '-15'.
0.1333333333 + -0.4666666667x + x2 = 0

Move the constant term to the right:

Add '-0.1333333333' to each side of the equation.
0.1333333333 + -0.4666666667x + -0.1333333333 + x2 = 0 + -0.1333333333

Reorder the terms:
0.1333333333 + -0.1333333333 + -0.4666666667x + x2 = 0 + -0.1333333333

Combine like terms: 0.1333333333 + -0.1333333333 = 0.0000000000
0.0000000000 + -0.4666666667x + x2 = 0 + -0.1333333333
-0.4666666667x + x2 = 0 + -0.1333333333

Combine like terms: 0 + -0.1333333333 = -0.1333333333
-0.4666666667x + x2 = -0.1333333333

The x term is -0.4666666667x.  Take half its coefficient (-0.2333333334).
Square it (0.05444444448) and add it to both sides.

Add '0.05444444448' to each side of the equation.
-0.4666666667x + 0.05444444448 + x2 = -0.1333333333 + 0.05444444448

Reorder the terms:
0.05444444448 + -0.4666666667x + x2 = -0.1333333333 + 0.05444444448

Combine like terms: -0.1333333333 + 0.05444444448 = -0.07888888882
0.05444444448 + -0.4666666667x + x2 = -0.07888888882

Factor a perfect square on the left side:
(x + -0.2333333334)(x + -0.2333333334) = -0.07888888882

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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