9x^2+36x+85=0

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Solution for 9x^2+36x+85=0 equation:


Simplifying
9x2 + 36x + 85 = 0

Reorder the terms:
85 + 36x + 9x2 = 0

Solving
85 + 36x + 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'.
9.444444444 + 4x + x2 = 0

Move the constant term to the right:

Add '-9.444444444' to each side of the equation.
9.444444444 + 4x + -9.444444444 + x2 = 0 + -9.444444444

Reorder the terms:
9.444444444 + -9.444444444 + 4x + x2 = 0 + -9.444444444

Combine like terms: 9.444444444 + -9.444444444 = 0.000000000
0.000000000 + 4x + x2 = 0 + -9.444444444
4x + x2 = 0 + -9.444444444

Combine like terms: 0 + -9.444444444 = -9.444444444
4x + x2 = -9.444444444

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -9.444444444 + 4

Reorder the terms:
4 + 4x + x2 = -9.444444444 + 4

Combine like terms: -9.444444444 + 4 = -5.444444444
4 + 4x + x2 = -5.444444444

Factor a perfect square on the left side:
(x + 2)(x + 2) = -5.444444444

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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