11x^2=-7x-7

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Solution for 11x^2=-7x-7 equation:


Simplifying
11x2 = -7x + -7

Reorder the terms:
11x2 = -7 + -7x

Solving
11x2 = -7 + -7x

Solving for variable 'x'.

Reorder the terms:
7 + 7x + 11x2 = -7 + -7x + 7 + 7x

Reorder the terms:
7 + 7x + 11x2 = -7 + 7 + -7x + 7x

Combine like terms: -7 + 7 = 0
7 + 7x + 11x2 = 0 + -7x + 7x
7 + 7x + 11x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
7 + 7x + 11x2 = 0

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

Divide each side by '11'.
0.6363636364 + 0.6363636364x + x2 = 0

Move the constant term to the right:

Add '-0.6363636364' to each side of the equation.
0.6363636364 + 0.6363636364x + -0.6363636364 + x2 = 0 + -0.6363636364

Reorder the terms:
0.6363636364 + -0.6363636364 + 0.6363636364x + x2 = 0 + -0.6363636364

Combine like terms: 0.6363636364 + -0.6363636364 = 0.0000000000
0.0000000000 + 0.6363636364x + x2 = 0 + -0.6363636364
0.6363636364x + x2 = 0 + -0.6363636364

Combine like terms: 0 + -0.6363636364 = -0.6363636364
0.6363636364x + x2 = -0.6363636364

The x term is 0.6363636364x.  Take half its coefficient (0.3181818182).
Square it (0.1012396694) and add it to both sides.

Add '0.1012396694' to each side of the equation.
0.6363636364x + 0.1012396694 + x2 = -0.6363636364 + 0.1012396694

Reorder the terms:
0.1012396694 + 0.6363636364x + x2 = -0.6363636364 + 0.1012396694

Combine like terms: -0.6363636364 + 0.1012396694 = -0.535123967
0.1012396694 + 0.6363636364x + x2 = -0.535123967

Factor a perfect square on the left side:
(x + 0.3181818182)(x + 0.3181818182) = -0.535123967

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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