18x^2+6x+11=0

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Solution for 18x^2+6x+11=0 equation:


Simplifying
18x2 + 6x + 11 = 0

Reorder the terms:
11 + 6x + 18x2 = 0

Solving
11 + 6x + 18x2 = 0

Solving for variable 'x'.

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

Divide each side by '18'.
0.6111111111 + 0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-0.6111111111' to each side of the equation.
0.6111111111 + 0.3333333333x + -0.6111111111 + x2 = 0 + -0.6111111111

Reorder the terms:
0.6111111111 + -0.6111111111 + 0.3333333333x + x2 = 0 + -0.6111111111

Combine like terms: 0.6111111111 + -0.6111111111 = 0.0000000000
0.0000000000 + 0.3333333333x + x2 = 0 + -0.6111111111
0.3333333333x + x2 = 0 + -0.6111111111

Combine like terms: 0 + -0.6111111111 = -0.6111111111
0.3333333333x + x2 = -0.6111111111

The x term is 0.3333333333x.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333x + 0.02777777779 + x2 = -0.6111111111 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333x + x2 = -0.6111111111 + 0.02777777779

Combine like terms: -0.6111111111 + 0.02777777779 = -0.58333333331
0.02777777779 + 0.3333333333x + x2 = -0.58333333331

Factor a perfect square on the left side:
(x + 0.1666666667)(x + 0.1666666667) = -0.58333333331

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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