9x^2+11x=-5

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Solution for 9x^2+11x=-5 equation:


Simplifying
9x2 + 11x = -5

Reorder the terms:
11x + 9x2 = -5

Solving
11x + 9x2 = -5

Solving for variable 'x'.

Reorder the terms:
5 + 11x + 9x2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + 11x + 9x2 = 0

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

Divide each side by '9'.
0.5555555556 + 1.222222222x + x2 = 0

Move the constant term to the right:

Add '-0.5555555556' to each side of the equation.
0.5555555556 + 1.222222222x + -0.5555555556 + x2 = 0 + -0.5555555556

Reorder the terms:
0.5555555556 + -0.5555555556 + 1.222222222x + x2 = 0 + -0.5555555556

Combine like terms: 0.5555555556 + -0.5555555556 = 0.0000000000
0.0000000000 + 1.222222222x + x2 = 0 + -0.5555555556
1.222222222x + x2 = 0 + -0.5555555556

Combine like terms: 0 + -0.5555555556 = -0.5555555556
1.222222222x + x2 = -0.5555555556

The x term is 1.222222222x.  Take half its coefficient (0.611111111).
Square it (0.3734567900) and add it to both sides.

Add '0.3734567900' to each side of the equation.
1.222222222x + 0.3734567900 + x2 = -0.5555555556 + 0.3734567900

Reorder the terms:
0.3734567900 + 1.222222222x + x2 = -0.5555555556 + 0.3734567900

Combine like terms: -0.5555555556 + 0.3734567900 = -0.1820987656
0.3734567900 + 1.222222222x + x2 = -0.1820987656

Factor a perfect square on the left side:
(x + 0.611111111)(x + 0.611111111) = -0.1820987656

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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