x^2+12x+169=0

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Solution for x^2+12x+169=0 equation: 


Simplifying
x2 + 12x + 169 = 0

Reorder the terms:
169 + 12x + x2 = 0

Solving
169 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-169' to each side of the equation.
169 + 12x + -169 + x2 = 0 + -169

Reorder the terms:
169 + -169 + 12x + x2 = 0 + -169

Combine like terms: 169 + -169 = 0
0 + 12x + x2 = 0 + -169
12x + x2 = 0 + -169

Combine like terms: 0 + -169 = -169
12x + x2 = -169

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -169 + 36

Reorder the terms:
36 + 12x + x2 = -169 + 36

Combine like terms: -169 + 36 = -133
36 + 12x + x2 = -133

Factor a perfect square on the left side:
(x + 6)(x + 6) = -133

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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