-2.5x^2+2825x-500000=

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Solution for -2.5x^2+2825x-500000= equation:


Simplifying
-2.5x2 + 2825x + -500000 = 0

Reorder the terms:
-500000 + 2825x + -2.5x2 = 0

Solving
-500000 + 2825x + -2.5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-2.5 the coefficient of the squared term: 

Divide each side by '-2.5'.
200000 + -1130x + x2 = 0

Move the constant term to the right:

Add '-200000' to each side of the equation.
200000 + -1130x + -200000 + x2 = 0 + -200000

Reorder the terms:
200000 + -200000 + -1130x + x2 = 0 + -200000

Combine like terms: 200000 + -200000 = 0
0 + -1130x + x2 = 0 + -200000
-1130x + x2 = 0 + -200000

Combine like terms: 0 + -200000 = -200000
-1130x + x2 = -200000

The x term is -1130x.  Take half its coefficient (-565).
Square it (319225) and add it to both sides.

Add '319225' to each side of the equation.
-1130x + 319225 + x2 = -200000 + 319225

Reorder the terms:
319225 + -1130x + x2 = -200000 + 319225

Combine like terms: -200000 + 319225 = 119225
319225 + -1130x + x2 = 119225

Factor a perfect square on the left side:
(x + -565)(x + -565) = 119225

Calculate the square root of the right side: 345.289733412

Break this problem into two subproblems by setting 
(x + -565) equal to 345.289733412 and -345.289733412.

Subproblem 1

x + -565 = 345.289733412 Simplifying x + -565 = 345.289733412 Reorder the terms: -565 + x = 345.289733412 Solving -565 + x = 345.289733412 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '565' to each side of the equation. -565 + 565 + x = 345.289733412 + 565 Combine like terms: -565 + 565 = 0 0 + x = 345.289733412 + 565 x = 345.289733412 + 565 Combine like terms: 345.289733412 + 565 = 910.289733412 x = 910.289733412 Simplifying x = 910.289733412

Subproblem 2

x + -565 = -345.289733412 Simplifying x + -565 = -345.289733412 Reorder the terms: -565 + x = -345.289733412 Solving -565 + x = -345.289733412 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '565' to each side of the equation. -565 + 565 + x = -345.289733412 + 565 Combine like terms: -565 + 565 = 0 0 + x = -345.289733412 + 565 x = -345.289733412 + 565 Combine like terms: -345.289733412 + 565 = 219.710266588 x = 219.710266588 Simplifying x = 219.710266588

Solution

The solution to the problem is based on the solutions from the subproblems. x = {910.289733412, 219.710266588}

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