11x^2+8x+4=0

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Solution for 11x^2+8x+4=0 equation:


Simplifying
11x2 + 8x + 4 = 0

Reorder the terms:
4 + 8x + 11x2 = 0

Solving
4 + 8x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
0.3636363636 + 0.7272727273x + x2 = 0

Move the constant term to the right:

Add '-0.3636363636' to each side of the equation.
0.3636363636 + 0.7272727273x + -0.3636363636 + x2 = 0 + -0.3636363636

Reorder the terms:
0.3636363636 + -0.3636363636 + 0.7272727273x + x2 = 0 + -0.3636363636

Combine like terms: 0.3636363636 + -0.3636363636 = 0.0000000000
0.0000000000 + 0.7272727273x + x2 = 0 + -0.3636363636
0.7272727273x + x2 = 0 + -0.3636363636

Combine like terms: 0 + -0.3636363636 = -0.3636363636
0.7272727273x + x2 = -0.3636363636

The x term is 0.7272727273x.  Take half its coefficient (0.3636363637).
Square it (0.1322314050) and add it to both sides.

Add '0.1322314050' to each side of the equation.
0.7272727273x + 0.1322314050 + x2 = -0.3636363636 + 0.1322314050

Reorder the terms:
0.1322314050 + 0.7272727273x + x2 = -0.3636363636 + 0.1322314050

Combine like terms: -0.3636363636 + 0.1322314050 = -0.2314049586
0.1322314050 + 0.7272727273x + x2 = -0.2314049586

Factor a perfect square on the left side:
(x + 0.3636363637)(x + 0.3636363637) = -0.2314049586

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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