11x^2+x=-7

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


Simplifying
11x2 + x = -7

Reorder the terms:
x + 11x2 = -7

Solving
x + 11x2 = -7

Solving for variable 'x'.

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

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

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

Divide each side by '11'.
0.6363636364 + 0.09090909091x + x2 = 0

Move the constant term to the right:

Add '-0.6363636364' to each side of the equation.
0.6363636364 + 0.09090909091x + -0.6363636364 + x2 = 0 + -0.6363636364

Reorder the terms:
0.6363636364 + -0.6363636364 + 0.09090909091x + x2 = 0 + -0.6363636364

Combine like terms: 0.6363636364 + -0.6363636364 = 0.0000000000
0.0000000000 + 0.09090909091x + x2 = 0 + -0.6363636364
0.09090909091x + x2 = 0 + -0.6363636364

Combine like terms: 0 + -0.6363636364 = -0.6363636364
0.09090909091x + x2 = -0.6363636364

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.09090909091x + 0.25 + x2 = -0.6363636364 + 0.25

Reorder the terms:
0.25 + 0.09090909091x + x2 = -0.6363636364 + 0.25

Combine like terms: -0.6363636364 + 0.25 = -0.3863636364
0.25 + 0.09090909091x + x2 = -0.3863636364

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -0.3863636364

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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