12x^2+20x+11=0

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Solution for 12x^2+20x+11=0 equation:


Simplifying
12x2 + 20x + 11 = 0

Reorder the terms:
11 + 20x + 12x2 = 0

Solving
11 + 20x + 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'.
0.9166666667 + 1.666666667x + x2 = 0

Move the constant term to the right:

Add '-0.9166666667' to each side of the equation.
0.9166666667 + 1.666666667x + -0.9166666667 + x2 = 0 + -0.9166666667

Reorder the terms:
0.9166666667 + -0.9166666667 + 1.666666667x + x2 = 0 + -0.9166666667

Combine like terms: 0.9166666667 + -0.9166666667 = 0.0000000000
0.0000000000 + 1.666666667x + x2 = 0 + -0.9166666667
1.666666667x + x2 = 0 + -0.9166666667

Combine like terms: 0 + -0.9166666667 = -0.9166666667
1.666666667x + x2 = -0.9166666667

The x term is 1.666666667x.  Take half its coefficient (0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
1.666666667x + 0.6944444447 + x2 = -0.9166666667 + 0.6944444447

Reorder the terms:
0.6944444447 + 1.666666667x + x2 = -0.9166666667 + 0.6944444447

Combine like terms: -0.9166666667 + 0.6944444447 = -0.222222222
0.6944444447 + 1.666666667x + x2 = -0.222222222

Factor a perfect square on the left side:
(x + 0.8333333335)(x + 0.8333333335) = -0.222222222

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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