x^2+5x-41=0

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Solution for x^2+5x-41=0 equation:


Simplifying
x2 + 5x + -41 = 0

Reorder the terms:
-41 + 5x + x2 = 0

Solving
-41 + 5x + 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 + 5x + 41 + x2 = 0 + 41

Reorder the terms:
-41 + 41 + 5x + x2 = 0 + 41

Combine like terms: -41 + 41 = 0
0 + 5x + x2 = 0 + 41
5x + x2 = 0 + 41

Combine like terms: 0 + 41 = 41
5x + x2 = 41

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 41 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 41 + 6.25

Combine like terms: 41 + 6.25 = 47.25
6.25 + 5x + x2 = 47.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 47.25

Calculate the square root of the right side: 6.873863542

Break this problem into two subproblems by setting 
(x + 2.5) equal to 6.873863542 and -6.873863542.

Subproblem 1

x + 2.5 = 6.873863542 Simplifying x + 2.5 = 6.873863542 Reorder the terms: 2.5 + x = 6.873863542 Solving 2.5 + x = 6.873863542 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 6.873863542 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 6.873863542 + -2.5 x = 6.873863542 + -2.5 Combine like terms: 6.873863542 + -2.5 = 4.373863542 x = 4.373863542 Simplifying x = 4.373863542

Subproblem 2

x + 2.5 = -6.873863542 Simplifying x + 2.5 = -6.873863542 Reorder the terms: 2.5 + x = -6.873863542 Solving 2.5 + x = -6.873863542 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -6.873863542 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -6.873863542 + -2.5 x = -6.873863542 + -2.5 Combine like terms: -6.873863542 + -2.5 = -9.373863542 x = -9.373863542 Simplifying x = -9.373863542

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.373863542, -9.373863542}

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