9x^2+2x-4=-56

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Solution for 9x^2+2x-4=-56 equation: 


Simplifying
9x2 + 2x + -4 = -56

Reorder the terms:
-4 + 2x + 9x2 = -56

Solving
-4 + 2x + 9x2 = -56

Solving for variable 'x'.

Reorder the terms:
-4 + 56 + 2x + 9x2 = -56 + 56

Combine like terms: -4 + 56 = 52
52 + 2x + 9x2 = -56 + 56

Combine like terms: -56 + 56 = 0
52 + 2x + 9x2 = 0

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

Divide each side by '9'.
5.777777778 + 0.2222222222x + x2 = 0

Move the constant term to the right:

Add '-5.777777778' to each side of the equation.
5.777777778 + 0.2222222222x + -5.777777778 + x2 = 0 + -5.777777778

Reorder the terms:
5.777777778 + -5.777777778 + 0.2222222222x + x2 = 0 + -5.777777778

Combine like terms: 5.777777778 + -5.777777778 = 0.000000000
0.000000000 + 0.2222222222x + x2 = 0 + -5.777777778
0.2222222222x + x2 = 0 + -5.777777778

Combine like terms: 0 + -5.777777778 = -5.777777778
0.2222222222x + x2 = -5.777777778

The x term is 0.2222222222x.  Take half its coefficient (0.1111111111).
Square it (0.01234567901) and add it to both sides.

Add '0.01234567901' to each side of the equation.
0.2222222222x + 0.01234567901 + x2 = -5.777777778 + 0.01234567901

Reorder the terms:
0.01234567901 + 0.2222222222x + x2 = -5.777777778 + 0.01234567901

Combine like terms: -5.777777778 + 0.01234567901 = -5.76543209899
0.01234567901 + 0.2222222222x + x2 = -5.76543209899

Factor a perfect square on the left side:
(x + 0.1111111111)(x + 0.1111111111) = -5.76543209899

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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