x^2+2400x-480=0

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Solution for x^2+2400x-480=0 equation:


Simplifying
x2 + 2400x + -480 = 0

Reorder the terms:
-480 + 2400x + x2 = 0

Solving
-480 + 2400x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '480' to each side of the equation.
-480 + 2400x + 480 + x2 = 0 + 480

Reorder the terms:
-480 + 480 + 2400x + x2 = 0 + 480

Combine like terms: -480 + 480 = 0
0 + 2400x + x2 = 0 + 480
2400x + x2 = 0 + 480

Combine like terms: 0 + 480 = 480
2400x + x2 = 480

The x term is 2400x.  Take half its coefficient (1200).
Square it (1440000) and add it to both sides.

Add '1440000' to each side of the equation.
2400x + 1440000 + x2 = 480 + 1440000

Reorder the terms:
1440000 + 2400x + x2 = 480 + 1440000

Combine like terms: 480 + 1440000 = 1440480
1440000 + 2400x + x2 = 1440480

Factor a perfect square on the left side:
(x + 1200)(x + 1200) = 1440480

Calculate the square root of the right side: 1200.199983336

Break this problem into two subproblems by setting 
(x + 1200) equal to 1200.199983336 and -1200.199983336.

Subproblem 1

x + 1200 = 1200.199983336 Simplifying x + 1200 = 1200.199983336 Reorder the terms: 1200 + x = 1200.199983336 Solving 1200 + x = 1200.199983336 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1200' to each side of the equation. 1200 + -1200 + x = 1200.199983336 + -1200 Combine like terms: 1200 + -1200 = 0 0 + x = 1200.199983336 + -1200 x = 1200.199983336 + -1200 Combine like terms: 1200.199983336 + -1200 = 0.199983336 x = 0.199983336 Simplifying x = 0.199983336

Subproblem 2

x + 1200 = -1200.199983336 Simplifying x + 1200 = -1200.199983336 Reorder the terms: 1200 + x = -1200.199983336 Solving 1200 + x = -1200.199983336 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1200' to each side of the equation. 1200 + -1200 + x = -1200.199983336 + -1200 Combine like terms: 1200 + -1200 = 0 0 + x = -1200.199983336 + -1200 x = -1200.199983336 + -1200 Combine like terms: -1200.199983336 + -1200 = -2400.199983336 x = -2400.199983336 Simplifying x = -2400.199983336

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.199983336, -2400.199983336}

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