=125000+(-4x^2+2880x-295)

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Solution for =125000+(-4x^2+2880x-295) equation:


Simplifying
0 = 125000 + (-4x2 + 2880x + -295)

Reorder the terms:
0 = 125000 + (-295 + 2880x + -4x2)

Remove parenthesis around (-295 + 2880x + -4x2)
0 = 125000 + -295 + 2880x + -4x2

Combine like terms: 125000 + -295 = 124705
0 = 124705 + 2880x + -4x2

Solving
0 = 124705 + 2880x + -4x2

Solving for variable 'x'.

Combine like terms: 0 + -124705 = -124705
-124705 + -2880x + 4x2 = 124705 + 2880x + -4x2 + -124705 + -2880x + 4x2

Reorder the terms:
-124705 + -2880x + 4x2 = 124705 + -124705 + 2880x + -2880x + -4x2 + 4x2

Combine like terms: 124705 + -124705 = 0
-124705 + -2880x + 4x2 = 0 + 2880x + -2880x + -4x2 + 4x2
-124705 + -2880x + 4x2 = 2880x + -2880x + -4x2 + 4x2

Combine like terms: 2880x + -2880x = 0
-124705 + -2880x + 4x2 = 0 + -4x2 + 4x2
-124705 + -2880x + 4x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
-124705 + -2880x + 4x2 = 0

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

Divide each side by '4'.
-31176.25 + -720x + x2 = 0

Move the constant term to the right:

Add '31176.25' to each side of the equation.
-31176.25 + -720x + 31176.25 + x2 = 0 + 31176.25

Reorder the terms:
-31176.25 + 31176.25 + -720x + x2 = 0 + 31176.25

Combine like terms: -31176.25 + 31176.25 = 0.00
0.00 + -720x + x2 = 0 + 31176.25
-720x + x2 = 0 + 31176.25

Combine like terms: 0 + 31176.25 = 31176.25
-720x + x2 = 31176.25

The x term is -720x.  Take half its coefficient (-360).
Square it (129600) and add it to both sides.

Add '129600' to each side of the equation.
-720x + 129600 + x2 = 31176.25 + 129600

Reorder the terms:
129600 + -720x + x2 = 31176.25 + 129600

Combine like terms: 31176.25 + 129600 = 160776.25
129600 + -720x + x2 = 160776.25

Factor a perfect square on the left side:
(x + -360)(x + -360) = 160776.25

Calculate the square root of the right side: 400.969138463

Break this problem into two subproblems by setting 
(x + -360) equal to 400.969138463 and -400.969138463.

Subproblem 1

x + -360 = 400.969138463 Simplifying x + -360 = 400.969138463 Reorder the terms: -360 + x = 400.969138463 Solving -360 + x = 400.969138463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '360' to each side of the equation. -360 + 360 + x = 400.969138463 + 360 Combine like terms: -360 + 360 = 0 0 + x = 400.969138463 + 360 x = 400.969138463 + 360 Combine like terms: 400.969138463 + 360 = 760.969138463 x = 760.969138463 Simplifying x = 760.969138463

Subproblem 2

x + -360 = -400.969138463 Simplifying x + -360 = -400.969138463 Reorder the terms: -360 + x = -400.969138463 Solving -360 + x = -400.969138463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '360' to each side of the equation. -360 + 360 + x = -400.969138463 + 360 Combine like terms: -360 + 360 = 0 0 + x = -400.969138463 + 360 x = -400.969138463 + 360 Combine like terms: -400.969138463 + 360 = -40.969138463 x = -40.969138463 Simplifying x = -40.969138463

Solution

The solution to the problem is based on the solutions from the subproblems. x = {760.969138463, -40.969138463}

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