100x=1440000-x^2

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Solution for 100x=1440000-x^2 equation:


Simplifying
100x = 1440000 + -1x2

Solving
100x = 1440000 + -1x2

Solving for variable 'x'.

Reorder the terms:
-1440000 + 100x + x2 = 1440000 + -1x2 + -1440000 + x2

Reorder the terms:
-1440000 + 100x + x2 = 1440000 + -1440000 + -1x2 + x2

Combine like terms: 1440000 + -1440000 = 0
-1440000 + 100x + x2 = 0 + -1x2 + x2
-1440000 + 100x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-1440000 + 100x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '1440000' to each side of the equation.
-1440000 + 100x + 1440000 + x2 = 0 + 1440000

Reorder the terms:
-1440000 + 1440000 + 100x + x2 = 0 + 1440000

Combine like terms: -1440000 + 1440000 = 0
0 + 100x + x2 = 0 + 1440000
100x + x2 = 0 + 1440000

Combine like terms: 0 + 1440000 = 1440000
100x + x2 = 1440000

The x term is 100x.  Take half its coefficient (50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
100x + 2500 + x2 = 1440000 + 2500

Reorder the terms:
2500 + 100x + x2 = 1440000 + 2500

Combine like terms: 1440000 + 2500 = 1442500
2500 + 100x + x2 = 1442500

Factor a perfect square on the left side:
(x + 50)(x + 50) = 1442500

Calculate the square root of the right side: 1201.041214946

Break this problem into two subproblems by setting 
(x + 50) equal to 1201.041214946 and -1201.041214946.

Subproblem 1

x + 50 = 1201.041214946 Simplifying x + 50 = 1201.041214946 Reorder the terms: 50 + x = 1201.041214946 Solving 50 + x = 1201.041214946 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + x = 1201.041214946 + -50 Combine like terms: 50 + -50 = 0 0 + x = 1201.041214946 + -50 x = 1201.041214946 + -50 Combine like terms: 1201.041214946 + -50 = 1151.041214946 x = 1151.041214946 Simplifying x = 1151.041214946

Subproblem 2

x + 50 = -1201.041214946 Simplifying x + 50 = -1201.041214946 Reorder the terms: 50 + x = -1201.041214946 Solving 50 + x = -1201.041214946 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + x = -1201.041214946 + -50 Combine like terms: 50 + -50 = 0 0 + x = -1201.041214946 + -50 x = -1201.041214946 + -50 Combine like terms: -1201.041214946 + -50 = -1251.041214946 x = -1251.041214946 Simplifying x = -1251.041214946

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1151.041214946, -1251.041214946}

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