x^2+14x+99=0

Solution for x^2+14x+99=0 equation:

Simplifying
x2 + 14x + 99 = 0

Reorder the terms:
99 + 14x + x2 = 0

Solving
99 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-99' to each side of the equation.
99 + 14x + -99 + x2 = 0 + -99

Reorder the terms:
99 + -99 + 14x + x2 = 0 + -99

Combine like terms: 99 + -99 = 0
0 + 14x + x2 = 0 + -99
14x + x2 = 0 + -99

Combine like terms: 0 + -99 = -99
14x + x2 = -99

The x term is 14x.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x + 49 + x2 = -99 + 49

Reorder the terms:
49 + 14x + x2 = -99 + 49

Combine like terms: -99 + 49 = -50
49 + 14x + x2 = -50

Factor a perfect square on the left side:
(x + 7)(x + 7) = -50

Can't calculate square root of the right side.

The solution to this equation could not be determined.