2x-9x^2-1+3x^2=

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Solution for 2x-9x^2-1+3x^2= equation: 


Simplifying
2x + -9x2 + -1 + 3x2 = 0

Reorder the terms:
-1 + 2x + -9x2 + 3x2 = 0

Combine like terms: -9x2 + 3x2 = -6x2
-1 + 2x + -6x2 = 0

Solving
-1 + 2x + -6x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
0.1666666667 + -0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-0.1666666667' to each side of the equation.
0.1666666667 + -0.3333333333x + -0.1666666667 + x2 = 0 + -0.1666666667

Reorder the terms:
0.1666666667 + -0.1666666667 + -0.3333333333x + x2 = 0 + -0.1666666667

Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000
0.0000000000 + -0.3333333333x + x2 = 0 + -0.1666666667
-0.3333333333x + x2 = 0 + -0.1666666667

Combine like terms: 0 + -0.1666666667 = -0.1666666667
-0.3333333333x + x2 = -0.1666666667

The x term is -0.3333333333x.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333x + 0.02777777779 + x2 = -0.1666666667 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333x + x2 = -0.1666666667 + 0.02777777779

Combine like terms: -0.1666666667 + 0.02777777779 = -0.13888888891
0.02777777779 + -0.3333333333x + x2 = -0.13888888891

Factor a perfect square on the left side:
(x + -0.1666666667)(x + -0.1666666667) = -0.13888888891

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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