12x^2+39x+61=0

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Solution for 12x^2+39x+61=0 equation:


Simplifying
12x2 + 39x + 61 = 0

Reorder the terms:
61 + 39x + 12x2 = 0

Solving
61 + 39x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
5.083333333 + 3.25x + x2 = 0

Move the constant term to the right:

Add '-5.083333333' to each side of the equation.
5.083333333 + 3.25x + -5.083333333 + x2 = 0 + -5.083333333

Reorder the terms:
5.083333333 + -5.083333333 + 3.25x + x2 = 0 + -5.083333333

Combine like terms: 5.083333333 + -5.083333333 = 0.000000000
0.000000000 + 3.25x + x2 = 0 + -5.083333333
3.25x + x2 = 0 + -5.083333333

Combine like terms: 0 + -5.083333333 = -5.083333333
3.25x + x2 = -5.083333333

The x term is 3.25x.  Take half its coefficient (1.625).
Square it (2.640625) and add it to both sides.

Add '2.640625' to each side of the equation.
3.25x + 2.640625 + x2 = -5.083333333 + 2.640625

Reorder the terms:
2.640625 + 3.25x + x2 = -5.083333333 + 2.640625

Combine like terms: -5.083333333 + 2.640625 = -2.442708333
2.640625 + 3.25x + x2 = -2.442708333

Factor a perfect square on the left side:
(x + 1.625)(x + 1.625) = -2.442708333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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