-0.05x^2+15x-250=0

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Solution for -0.05x^2+15x-250=0 equation:


Simplifying
-0.05x2 + 15x + -250 = 0

Reorder the terms:
-250 + 15x + -0.05x2 = 0

Solving
-250 + 15x + -0.05x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.05 the coefficient of the squared term: 

Divide each side by '-0.05'.
5000 + -300x + x2 = 0

Move the constant term to the right:

Add '-5000' to each side of the equation.
5000 + -300x + -5000 + x2 = 0 + -5000

Reorder the terms:
5000 + -5000 + -300x + x2 = 0 + -5000

Combine like terms: 5000 + -5000 = 0
0 + -300x + x2 = 0 + -5000
-300x + x2 = 0 + -5000

Combine like terms: 0 + -5000 = -5000
-300x + x2 = -5000

The x term is -300x.  Take half its coefficient (-150).
Square it (22500) and add it to both sides.

Add '22500' to each side of the equation.
-300x + 22500 + x2 = -5000 + 22500

Reorder the terms:
22500 + -300x + x2 = -5000 + 22500

Combine like terms: -5000 + 22500 = 17500
22500 + -300x + x2 = 17500

Factor a perfect square on the left side:
(x + -150)(x + -150) = 17500

Calculate the square root of the right side: 132.287565553

Break this problem into two subproblems by setting 
(x + -150) equal to 132.287565553 and -132.287565553.

Subproblem 1

x + -150 = 132.287565553 Simplifying x + -150 = 132.287565553 Reorder the terms: -150 + x = 132.287565553 Solving -150 + x = 132.287565553 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = 132.287565553 + 150 Combine like terms: -150 + 150 = 0 0 + x = 132.287565553 + 150 x = 132.287565553 + 150 Combine like terms: 132.287565553 + 150 = 282.287565553 x = 282.287565553 Simplifying x = 282.287565553

Subproblem 2

x + -150 = -132.287565553 Simplifying x + -150 = -132.287565553 Reorder the terms: -150 + x = -132.287565553 Solving -150 + x = -132.287565553 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = -132.287565553 + 150 Combine like terms: -150 + 150 = 0 0 + x = -132.287565553 + 150 x = -132.287565553 + 150 Combine like terms: -132.287565553 + 150 = 17.712434447 x = 17.712434447 Simplifying x = 17.712434447

Solution

The solution to the problem is based on the solutions from the subproblems. x = {282.287565553, 17.712434447}

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