9x^2-9x-2=-10

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Solution for 9x^2-9x-2=-10 equation:


Simplifying
9x2 + -9x + -2 = -10

Reorder the terms:
-2 + -9x + 9x2 = -10

Solving
-2 + -9x + 9x2 = -10

Solving for variable 'x'.

Reorder the terms:
-2 + 10 + -9x + 9x2 = -10 + 10

Combine like terms: -2 + 10 = 8
8 + -9x + 9x2 = -10 + 10

Combine like terms: -10 + 10 = 0
8 + -9x + 9x2 = 0

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

Divide each side by '9'.
0.8888888889 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.8888888889' to each side of the equation.
0.8888888889 + -1x + -0.8888888889 + x2 = 0 + -0.8888888889

Reorder the terms:
0.8888888889 + -0.8888888889 + -1x + x2 = 0 + -0.8888888889

Combine like terms: 0.8888888889 + -0.8888888889 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + -0.8888888889
-1x + x2 = 0 + -0.8888888889

Combine like terms: 0 + -0.8888888889 = -0.8888888889
-1x + x2 = -0.8888888889

The x term is -1x.  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.
-1x + 0.25 + x2 = -0.8888888889 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.8888888889 + 0.25

Combine like terms: -0.8888888889 + 0.25 = -0.6388888889
0.25 + -1x + x2 = -0.6388888889

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -0.6388888889

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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