7x^2+37x+55=0

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Solution for 7x^2+37x+55=0 equation:


Simplifying
7x2 + 37x + 55 = 0

Reorder the terms:
55 + 37x + 7x2 = 0

Solving
55 + 37x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
7.857142857 + 5.285714286x + x2 = 0

Move the constant term to the right:

Add '-7.857142857' to each side of the equation.
7.857142857 + 5.285714286x + -7.857142857 + x2 = 0 + -7.857142857

Reorder the terms:
7.857142857 + -7.857142857 + 5.285714286x + x2 = 0 + -7.857142857

Combine like terms: 7.857142857 + -7.857142857 = 0.000000000
0.000000000 + 5.285714286x + x2 = 0 + -7.857142857
5.285714286x + x2 = 0 + -7.857142857

Combine like terms: 0 + -7.857142857 = -7.857142857
5.285714286x + x2 = -7.857142857

The x term is 5.285714286x.  Take half its coefficient (2.642857143).
Square it (6.984693878) and add it to both sides.

Add '6.984693878' to each side of the equation.
5.285714286x + 6.984693878 + x2 = -7.857142857 + 6.984693878

Reorder the terms:
6.984693878 + 5.285714286x + x2 = -7.857142857 + 6.984693878

Combine like terms: -7.857142857 + 6.984693878 = -0.872448979
6.984693878 + 5.285714286x + x2 = -0.872448979

Factor a perfect square on the left side:
(x + 2.642857143)(x + 2.642857143) = -0.872448979

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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