x^2+20x-5000=

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Solution for x^2+20x-5000= equation:


Simplifying
x2 + 20x + -5000 = 0

Reorder the terms:
-5000 + 20x + x2 = 0

Solving
-5000 + 20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '5000' to each side of the equation.
-5000 + 20x + 5000 + x2 = 0 + 5000

Reorder the terms:
-5000 + 5000 + 20x + x2 = 0 + 5000

Combine like terms: -5000 + 5000 = 0
0 + 20x + x2 = 0 + 5000
20x + x2 = 0 + 5000

Combine like terms: 0 + 5000 = 5000
20x + x2 = 5000

The x term is 20x.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20x + 100 + x2 = 5000 + 100

Reorder the terms:
100 + 20x + x2 = 5000 + 100

Combine like terms: 5000 + 100 = 5100
100 + 20x + x2 = 5100

Factor a perfect square on the left side:
(x + 10)(x + 10) = 5100

Calculate the square root of the right side: 71.414284285

Break this problem into two subproblems by setting 
(x + 10) equal to 71.414284285 and -71.414284285.

Subproblem 1

x + 10 = 71.414284285 Simplifying x + 10 = 71.414284285 Reorder the terms: 10 + x = 71.414284285 Solving 10 + x = 71.414284285 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 71.414284285 + -10 Combine like terms: 10 + -10 = 0 0 + x = 71.414284285 + -10 x = 71.414284285 + -10 Combine like terms: 71.414284285 + -10 = 61.414284285 x = 61.414284285 Simplifying x = 61.414284285

Subproblem 2

x + 10 = -71.414284285 Simplifying x + 10 = -71.414284285 Reorder the terms: 10 + x = -71.414284285 Solving 10 + x = -71.414284285 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = -71.414284285 + -10 Combine like terms: 10 + -10 = 0 0 + x = -71.414284285 + -10 x = -71.414284285 + -10 Combine like terms: -71.414284285 + -10 = -81.414284285 x = -81.414284285 Simplifying x = -81.414284285

Solution

The solution to the problem is based on the solutions from the subproblems. x = {61.414284285, -81.414284285}

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