x^2+20x-48000=0

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Solution for x^2+20x-48000=0 equation:


Simplifying
x2 + 20x + -48000 = 0

Reorder the terms:
-48000 + 20x + x2 = 0

Solving
-48000 + 20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '48000' to each side of the equation.
-48000 + 20x + 48000 + x2 = 0 + 48000

Reorder the terms:
-48000 + 48000 + 20x + x2 = 0 + 48000

Combine like terms: -48000 + 48000 = 0
0 + 20x + x2 = 0 + 48000
20x + x2 = 0 + 48000

Combine like terms: 0 + 48000 = 48000
20x + x2 = 48000

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 = 48000 + 100

Reorder the terms:
100 + 20x + x2 = 48000 + 100

Combine like terms: 48000 + 100 = 48100
100 + 20x + x2 = 48100

Factor a perfect square on the left side:
(x + 10)(x + 10) = 48100

Calculate the square root of the right side: 219.317121995

Break this problem into two subproblems by setting 
(x + 10) equal to 219.317121995 and -219.317121995.

Subproblem 1

x + 10 = 219.317121995 Simplifying x + 10 = 219.317121995 Reorder the terms: 10 + x = 219.317121995 Solving 10 + x = 219.317121995 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 = 219.317121995 + -10 Combine like terms: 10 + -10 = 0 0 + x = 219.317121995 + -10 x = 219.317121995 + -10 Combine like terms: 219.317121995 + -10 = 209.317121995 x = 209.317121995 Simplifying x = 209.317121995

Subproblem 2

x + 10 = -219.317121995 Simplifying x + 10 = -219.317121995 Reorder the terms: 10 + x = -219.317121995 Solving 10 + x = -219.317121995 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 = -219.317121995 + -10 Combine like terms: 10 + -10 = 0 0 + x = -219.317121995 + -10 x = -219.317121995 + -10 Combine like terms: -219.317121995 + -10 = -229.317121995 x = -229.317121995 Simplifying x = -229.317121995

Solution

The solution to the problem is based on the solutions from the subproblems. x = {209.317121995, -229.317121995}

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