5x+12x(x+5000)=940

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Solution for 5x+12x(x+5000)=940 equation:


Simplifying
5x + 12x(x + 5000) = 940

Reorder the terms:
5x + 12x(5000 + x) = 940
5x + (5000 * 12x + x * 12x) = 940
5x + (60000x + 12x2) = 940

Combine like terms: 5x + 60000x = 60005x
60005x + 12x2 = 940

Solving
60005x + 12x2 = 940

Solving for variable 'x'.

Reorder the terms:
-940 + 60005x + 12x2 = 940 + -940

Combine like terms: 940 + -940 = 0
-940 + 60005x + 12x2 = 0

Begin completing the square.  Divide all terms by
12 the coefficient of the squared term: 

Divide each side by '12'.
-78.33333333 + 5000.416667x + x2 = 0

Move the constant term to the right:

Add '78.33333333' to each side of the equation.
-78.33333333 + 5000.416667x + 78.33333333 + x2 = 0 + 78.33333333

Reorder the terms:
-78.33333333 + 78.33333333 + 5000.416667x + x2 = 0 + 78.33333333

Combine like terms: -78.33333333 + 78.33333333 = 0.00000000
0.00000000 + 5000.416667x + x2 = 0 + 78.33333333
5000.416667x + x2 = 0 + 78.33333333

Combine like terms: 0 + 78.33333333 = 78.33333333
5000.416667x + x2 = 78.33333333

The x term is 5000.416667x.  Take half its coefficient (2500.208334).
Square it (6251041.713) and add it to both sides.

Add '6251041.713' to each side of the equation.
5000.416667x + 6251041.713 + x2 = 78.33333333 + 6251041.713

Reorder the terms:
6251041.713 + 5000.416667x + x2 = 78.33333333 + 6251041.713

Combine like terms: 78.33333333 + 6251041.713 = 6251120.04633333
6251041.713 + 5000.416667x + x2 = 6251120.04633333

Factor a perfect square on the left side:
(x + 2500.208334)(x + 2500.208334) = 6251120.04633333

Calculate the square root of the right side: 2500.223999232

Break this problem into two subproblems by setting 
(x + 2500.208334) equal to 2500.223999232 and -2500.223999232.

Subproblem 1

x + 2500.208334 = 2500.223999232 Simplifying x + 2500.208334 = 2500.223999232 Reorder the terms: 2500.208334 + x = 2500.223999232 Solving 2500.208334 + x = 2500.223999232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2500.208334' to each side of the equation. 2500.208334 + -2500.208334 + x = 2500.223999232 + -2500.208334 Combine like terms: 2500.208334 + -2500.208334 = 0.000000 0.000000 + x = 2500.223999232 + -2500.208334 x = 2500.223999232 + -2500.208334 Combine like terms: 2500.223999232 + -2500.208334 = 0.015665232 x = 0.015665232 Simplifying x = 0.015665232

Subproblem 2

x + 2500.208334 = -2500.223999232 Simplifying x + 2500.208334 = -2500.223999232 Reorder the terms: 2500.208334 + x = -2500.223999232 Solving 2500.208334 + x = -2500.223999232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2500.208334' to each side of the equation. 2500.208334 + -2500.208334 + x = -2500.223999232 + -2500.208334 Combine like terms: 2500.208334 + -2500.208334 = 0.000000 0.000000 + x = -2500.223999232 + -2500.208334 x = -2500.223999232 + -2500.208334 Combine like terms: -2500.223999232 + -2500.208334 = -5000.432333232 x = -5000.432333232 Simplifying x = -5000.432333232

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.015665232, -5000.432333232}

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