x^2+92x-109=0

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Solution for x^2+92x-109=0 equation:


Simplifying
x2 + 92x + -109 = 0

Reorder the terms:
-109 + 92x + x2 = 0

Solving
-109 + 92x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '109' to each side of the equation.
-109 + 92x + 109 + x2 = 0 + 109

Reorder the terms:
-109 + 109 + 92x + x2 = 0 + 109

Combine like terms: -109 + 109 = 0
0 + 92x + x2 = 0 + 109
92x + x2 = 0 + 109

Combine like terms: 0 + 109 = 109
92x + x2 = 109

The x term is 92x.  Take half its coefficient (46).
Square it (2116) and add it to both sides.

Add '2116' to each side of the equation.
92x + 2116 + x2 = 109 + 2116

Reorder the terms:
2116 + 92x + x2 = 109 + 2116

Combine like terms: 109 + 2116 = 2225
2116 + 92x + x2 = 2225

Factor a perfect square on the left side:
(x + 46)(x + 46) = 2225

Calculate the square root of the right side: 47.16990566

Break this problem into two subproblems by setting 
(x + 46) equal to 47.16990566 and -47.16990566.

Subproblem 1

x + 46 = 47.16990566 Simplifying x + 46 = 47.16990566 Reorder the terms: 46 + x = 47.16990566 Solving 46 + x = 47.16990566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-46' to each side of the equation. 46 + -46 + x = 47.16990566 + -46 Combine like terms: 46 + -46 = 0 0 + x = 47.16990566 + -46 x = 47.16990566 + -46 Combine like terms: 47.16990566 + -46 = 1.16990566 x = 1.16990566 Simplifying x = 1.16990566

Subproblem 2

x + 46 = -47.16990566 Simplifying x + 46 = -47.16990566 Reorder the terms: 46 + x = -47.16990566 Solving 46 + x = -47.16990566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-46' to each side of the equation. 46 + -46 + x = -47.16990566 + -46 Combine like terms: 46 + -46 = 0 0 + x = -47.16990566 + -46 x = -47.16990566 + -46 Combine like terms: -47.16990566 + -46 = -93.16990566 x = -93.16990566 Simplifying x = -93.16990566

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.16990566, -93.16990566}

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