x^2+92x-9=

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Solution for x^2+92x-9= equation:


Simplifying
x2 + 92x + -9 = 0

Reorder the terms:
-9 + 92x + x2 = 0

Solving
-9 + 92x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '9' to each side of the equation.
-9 + 92x + 9 + x2 = 0 + 9

Reorder the terms:
-9 + 9 + 92x + x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 92x + x2 = 0 + 9
92x + x2 = 0 + 9

Combine like terms: 0 + 9 = 9
92x + x2 = 9

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 = 9 + 2116

Reorder the terms:
2116 + 92x + x2 = 9 + 2116

Combine like terms: 9 + 2116 = 2125
2116 + 92x + x2 = 2125

Factor a perfect square on the left side:
(x + 46)(x + 46) = 2125

Calculate the square root of the right side: 46.097722286

Break this problem into two subproblems by setting 
(x + 46) equal to 46.097722286 and -46.097722286.

Subproblem 1

x + 46 = 46.097722286 Simplifying x + 46 = 46.097722286 Reorder the terms: 46 + x = 46.097722286 Solving 46 + x = 46.097722286 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 = 46.097722286 + -46 Combine like terms: 46 + -46 = 0 0 + x = 46.097722286 + -46 x = 46.097722286 + -46 Combine like terms: 46.097722286 + -46 = 0.097722286 x = 0.097722286 Simplifying x = 0.097722286

Subproblem 2

x + 46 = -46.097722286 Simplifying x + 46 = -46.097722286 Reorder the terms: 46 + x = -46.097722286 Solving 46 + x = -46.097722286 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 = -46.097722286 + -46 Combine like terms: 46 + -46 = 0 0 + x = -46.097722286 + -46 x = -46.097722286 + -46 Combine like terms: -46.097722286 + -46 = -92.097722286 x = -92.097722286 Simplifying x = -92.097722286

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.097722286, -92.097722286}

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