x^2+13x+41=

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Solution for x^2+13x+41= equation:


Simplifying
x2 + 13x + 41 = 0

Reorder the terms:
41 + 13x + x2 = 0

Solving
41 + 13x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-41' to each side of the equation.
41 + 13x + -41 + x2 = 0 + -41

Reorder the terms:
41 + -41 + 13x + x2 = 0 + -41

Combine like terms: 41 + -41 = 0
0 + 13x + x2 = 0 + -41
13x + x2 = 0 + -41

Combine like terms: 0 + -41 = -41
13x + x2 = -41

The x term is 13x.  Take half its coefficient (6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
13x + 42.25 + x2 = -41 + 42.25

Reorder the terms:
42.25 + 13x + x2 = -41 + 42.25

Combine like terms: -41 + 42.25 = 1.25
42.25 + 13x + x2 = 1.25

Factor a perfect square on the left side:
(x + 6.5)(x + 6.5) = 1.25

Calculate the square root of the right side: 1.118033989

Break this problem into two subproblems by setting 
(x + 6.5) equal to 1.118033989 and -1.118033989.

Subproblem 1

x + 6.5 = 1.118033989 Simplifying x + 6.5 = 1.118033989 Reorder the terms: 6.5 + x = 1.118033989 Solving 6.5 + x = 1.118033989 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = 1.118033989 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = 1.118033989 + -6.5 x = 1.118033989 + -6.5 Combine like terms: 1.118033989 + -6.5 = -5.381966011 x = -5.381966011 Simplifying x = -5.381966011

Subproblem 2

x + 6.5 = -1.118033989 Simplifying x + 6.5 = -1.118033989 Reorder the terms: 6.5 + x = -1.118033989 Solving 6.5 + x = -1.118033989 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = -1.118033989 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = -1.118033989 + -6.5 x = -1.118033989 + -6.5 Combine like terms: -1.118033989 + -6.5 = -7.618033989 x = -7.618033989 Simplifying x = -7.618033989

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-5.381966011, -7.618033989}

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