x^2+11x+55=-7

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Solution for x^2+11x+55=-7 equation:


Simplifying
x2 + 11x + 55 = -7

Reorder the terms:
55 + 11x + x2 = -7

Solving
55 + 11x + x2 = -7

Solving for variable 'x'.

Reorder the terms:
55 + 7 + 11x + x2 = -7 + 7

Combine like terms: 55 + 7 = 62
62 + 11x + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
62 + 11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-62' to each side of the equation.
62 + 11x + -62 + x2 = 0 + -62

Reorder the terms:
62 + -62 + 11x + x2 = 0 + -62

Combine like terms: 62 + -62 = 0
0 + 11x + x2 = 0 + -62
11x + x2 = 0 + -62

Combine like terms: 0 + -62 = -62
11x + x2 = -62

The x term is 11x.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x + 30.25 + x2 = -62 + 30.25

Reorder the terms:
30.25 + 11x + x2 = -62 + 30.25

Combine like terms: -62 + 30.25 = -31.75
30.25 + 11x + x2 = -31.75

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = -31.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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