11x^2+43x+78=

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Solution for 11x^2+43x+78= equation:


Simplifying
11x2 + 43x + 78 = 0

Reorder the terms:
78 + 43x + 11x2 = 0

Solving
78 + 43x + 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'.
7.090909091 + 3.909090909x + x2 = 0

Move the constant term to the right:

Add '-7.090909091' to each side of the equation.
7.090909091 + 3.909090909x + -7.090909091 + x2 = 0 + -7.090909091

Reorder the terms:
7.090909091 + -7.090909091 + 3.909090909x + x2 = 0 + -7.090909091

Combine like terms: 7.090909091 + -7.090909091 = 0.000000000
0.000000000 + 3.909090909x + x2 = 0 + -7.090909091
3.909090909x + x2 = 0 + -7.090909091

Combine like terms: 0 + -7.090909091 = -7.090909091
3.909090909x + x2 = -7.090909091

The x term is 3.909090909x.  Take half its coefficient (1.954545455).
Square it (3.820247936) and add it to both sides.

Add '3.820247936' to each side of the equation.
3.909090909x + 3.820247936 + x2 = -7.090909091 + 3.820247936

Reorder the terms:
3.820247936 + 3.909090909x + x2 = -7.090909091 + 3.820247936

Combine like terms: -7.090909091 + 3.820247936 = -3.270661155
3.820247936 + 3.909090909x + x2 = -3.270661155

Factor a perfect square on the left side:
(x + 1.954545455)(x + 1.954545455) = -3.270661155

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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