-9x^2+x-11=0

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Solution for -9x^2+x-11=0 equation:


Simplifying
-9x2 + x + -11 = 0

Reorder the terms:
-11 + x + -9x2 = 0

Solving
-11 + x + -9x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
1.222222222 + -0.1111111111x + x2 = 0

Move the constant term to the right:

Add '-1.222222222' to each side of the equation.
1.222222222 + -0.1111111111x + -1.222222222 + x2 = 0 + -1.222222222

Reorder the terms:
1.222222222 + -1.222222222 + -0.1111111111x + x2 = 0 + -1.222222222

Combine like terms: 1.222222222 + -1.222222222 = 0.000000000
0.000000000 + -0.1111111111x + x2 = 0 + -1.222222222
-0.1111111111x + x2 = 0 + -1.222222222

Combine like terms: 0 + -1.222222222 = -1.222222222
-0.1111111111x + x2 = -1.222222222

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

Add '0.25' to each side of the equation.
-0.1111111111x + 0.25 + x2 = -1.222222222 + 0.25

Reorder the terms:
0.25 + -0.1111111111x + x2 = -1.222222222 + 0.25

Combine like terms: -1.222222222 + 0.25 = -0.972222222
0.25 + -0.1111111111x + x2 = -0.972222222

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -0.972222222

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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