9x^2+7x-5=-10

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Solution for 9x^2+7x-5=-10 equation: 


Simplifying
9x2 + 7x + -5 = -10

Reorder the terms:
-5 + 7x + 9x2 = -10

Solving
-5 + 7x + 9x2 = -10

Solving for variable 'x'.

Reorder the terms:
-5 + 10 + 7x + 9x2 = -10 + 10

Combine like terms: -5 + 10 = 5
5 + 7x + 9x2 = -10 + 10

Combine like terms: -10 + 10 = 0
5 + 7x + 9x2 = 0

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

Divide each side by '9'.
0.5555555556 + 0.7777777778x + x2 = 0

Move the constant term to the right:

Add '-0.5555555556' to each side of the equation.
0.5555555556 + 0.7777777778x + -0.5555555556 + x2 = 0 + -0.5555555556

Reorder the terms:
0.5555555556 + -0.5555555556 + 0.7777777778x + x2 = 0 + -0.5555555556

Combine like terms: 0.5555555556 + -0.5555555556 = 0.0000000000
0.0000000000 + 0.7777777778x + x2 = 0 + -0.5555555556
0.7777777778x + x2 = 0 + -0.5555555556

Combine like terms: 0 + -0.5555555556 = -0.5555555556
0.7777777778x + x2 = -0.5555555556

The x term is 0.7777777778x.  Take half its coefficient (0.3888888889).
Square it (0.1512345679) and add it to both sides.

Add '0.1512345679' to each side of the equation.
0.7777777778x + 0.1512345679 + x2 = -0.5555555556 + 0.1512345679

Reorder the terms:
0.1512345679 + 0.7777777778x + x2 = -0.5555555556 + 0.1512345679

Combine like terms: -0.5555555556 + 0.1512345679 = -0.4043209877
0.1512345679 + 0.7777777778x + x2 = -0.4043209877

Factor a perfect square on the left side:
(x + 0.3888888889)(x + 0.3888888889) = -0.4043209877

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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