1845=4500x-8x^2

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Solution for 1845=4500x-8x^2 equation:


Simplifying
1845 = 4500x + -8x2

Solving
1845 = 4500x + -8x2

Solving for variable 'x'.

Reorder the terms:
1845 + -4500x + 8x2 = 4500x + -4500x + -8x2 + 8x2

Combine like terms: 4500x + -4500x = 0
1845 + -4500x + 8x2 = 0 + -8x2 + 8x2
1845 + -4500x + 8x2 = -8x2 + 8x2

Combine like terms: -8x2 + 8x2 = 0
1845 + -4500x + 8x2 = 0

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

Divide each side by '8'.
230.625 + -562.5x + x2 = 0

Move the constant term to the right:

Add '-230.625' to each side of the equation.
230.625 + -562.5x + -230.625 + x2 = 0 + -230.625

Reorder the terms:
230.625 + -230.625 + -562.5x + x2 = 0 + -230.625

Combine like terms: 230.625 + -230.625 = 0.000
0.000 + -562.5x + x2 = 0 + -230.625
-562.5x + x2 = 0 + -230.625

Combine like terms: 0 + -230.625 = -230.625
-562.5x + x2 = -230.625

The x term is -562.5x.  Take half its coefficient (-281.25).
Square it (79101.5625) and add it to both sides.

Add '79101.5625' to each side of the equation.
-562.5x + 79101.5625 + x2 = -230.625 + 79101.5625

Reorder the terms:
79101.5625 + -562.5x + x2 = -230.625 + 79101.5625

Combine like terms: -230.625 + 79101.5625 = 78870.9375
79101.5625 + -562.5x + x2 = 78870.9375

Factor a perfect square on the left side:
(x + -281.25)(x + -281.25) = 78870.9375

Calculate the square root of the right side: 280.839700719

Break this problem into two subproblems by setting 
(x + -281.25) equal to 280.839700719 and -280.839700719.

Subproblem 1

x + -281.25 = 280.839700719 Simplifying x + -281.25 = 280.839700719 Reorder the terms: -281.25 + x = 280.839700719 Solving -281.25 + x = 280.839700719 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '281.25' to each side of the equation. -281.25 + 281.25 + x = 280.839700719 + 281.25 Combine like terms: -281.25 + 281.25 = 0.00 0.00 + x = 280.839700719 + 281.25 x = 280.839700719 + 281.25 Combine like terms: 280.839700719 + 281.25 = 562.089700719 x = 562.089700719 Simplifying x = 562.089700719

Subproblem 2

x + -281.25 = -280.839700719 Simplifying x + -281.25 = -280.839700719 Reorder the terms: -281.25 + x = -280.839700719 Solving -281.25 + x = -280.839700719 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '281.25' to each side of the equation. -281.25 + 281.25 + x = -280.839700719 + 281.25 Combine like terms: -281.25 + 281.25 = 0.00 0.00 + x = -280.839700719 + 281.25 x = -280.839700719 + 281.25 Combine like terms: -280.839700719 + 281.25 = 0.410299281 x = 0.410299281 Simplifying x = 0.410299281

Solution

The solution to the problem is based on the solutions from the subproblems. x = {562.089700719, 0.410299281}

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