13x^2+16x+13=0

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Solution for 13x^2+16x+13=0 equation:


Simplifying
13x2 + 16x + 13 = 0

Reorder the terms:
13 + 16x + 13x2 = 0

Solving
13 + 16x + 13x2 = 0

Solving for variable 'x'.

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

Divide each side by '13'.
1 + 1.230769231x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 1.230769231x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 1.230769231x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 1.230769231x + x2 = 0 + -1
1.230769231x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
1.230769231x + x2 = -1

The x term is 1.230769231x.  Take half its coefficient (0.6153846155).
Square it (0.3786982250) and add it to both sides.

Add '0.3786982250' to each side of the equation.
1.230769231x + 0.3786982250 + x2 = -1 + 0.3786982250

Reorder the terms:
0.3786982250 + 1.230769231x + x2 = -1 + 0.3786982250

Combine like terms: -1 + 0.3786982250 = -0.621301775
0.3786982250 + 1.230769231x + x2 = -0.621301775

Factor a perfect square on the left side:
(x + 0.6153846155)(x + 0.6153846155) = -0.621301775

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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