0.0175x+0.02x(50000-x)=900

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Solution for 0.0175x+0.02x(50000-x)=900 equation:


Simplifying
0.0175x + 0.02x(50000 + -1x) = 900
0.0175x + (50000 * 0.02x + -1x * 0.02x) = 900
0.0175x + (1000x + -0.02x2) = 900

Combine like terms: 0.0175x + 1000x = 1000.0175x
1000.0175x + -0.02x2 = 900

Solving
1000.0175x + -0.02x2 = 900

Solving for variable 'x'.

Reorder the terms:
-900 + 1000.0175x + -0.02x2 = 900 + -900

Combine like terms: 900 + -900 = 0
-900 + 1000.0175x + -0.02x2 = 0

Begin completing the square.  Divide all terms by
-0.02 the coefficient of the squared term: 

Divide each side by '-0.02'.
45000 + -50000.875x + x2 = 0

Move the constant term to the right:

Add '-45000' to each side of the equation.
45000 + -50000.875x + -45000 + x2 = 0 + -45000

Reorder the terms:
45000 + -45000 + -50000.875x + x2 = 0 + -45000

Combine like terms: 45000 + -45000 = 0
0 + -50000.875x + x2 = 0 + -45000
-50000.875x + x2 = 0 + -45000

Combine like terms: 0 + -45000 = -45000
-50000.875x + x2 = -45000

The x term is -50000.875x.  Take half its coefficient (-25000.4375).
Square it (625021875.2) and add it to both sides.

Add '625021875.2' to each side of the equation.
-50000.875x + 625021875.2 + x2 = -45000 + 625021875.2

Reorder the terms:
625021875.2 + -50000.875x + x2 = -45000 + 625021875.2

Combine like terms: -45000 + 625021875.2 = 624976875.2
625021875.2 + -50000.875x + x2 = 624976875.2

Factor a perfect square on the left side:
(x + -25000.4375)(x + -25000.4375) = 624976875.2

Calculate the square root of the right side: 24999.537499722

Break this problem into two subproblems by setting 
(x + -25000.4375) equal to 24999.537499722 and -24999.537499722.

Subproblem 1

x + -25000.4375 = 24999.537499722 Simplifying x + -25000.4375 = 24999.537499722 Reorder the terms: -25000.4375 + x = 24999.537499722 Solving -25000.4375 + x = 24999.537499722 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25000.4375' to each side of the equation. -25000.4375 + 25000.4375 + x = 24999.537499722 + 25000.4375 Combine like terms: -25000.4375 + 25000.4375 = 0.0000 0.0000 + x = 24999.537499722 + 25000.4375 x = 24999.537499722 + 25000.4375 Combine like terms: 24999.537499722 + 25000.4375 = 49999.974999722 x = 49999.974999722 Simplifying x = 49999.974999722

Subproblem 2

x + -25000.4375 = -24999.537499722 Simplifying x + -25000.4375 = -24999.537499722 Reorder the terms: -25000.4375 + x = -24999.537499722 Solving -25000.4375 + x = -24999.537499722 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25000.4375' to each side of the equation. -25000.4375 + 25000.4375 + x = -24999.537499722 + 25000.4375 Combine like terms: -25000.4375 + 25000.4375 = 0.0000 0.0000 + x = -24999.537499722 + 25000.4375 x = -24999.537499722 + 25000.4375 Combine like terms: -24999.537499722 + 25000.4375 = 0.900000278 x = 0.900000278 Simplifying x = 0.900000278

Solution

The solution to the problem is based on the solutions from the subproblems. x = {49999.974999722, 0.900000278}

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