x^2+450x-30000=0

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Solution for x^2+450x-30000=0 equation:


Simplifying
x2 + 450x + -30000 = 0

Reorder the terms:
-30000 + 450x + x2 = 0

Solving
-30000 + 450x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '30000' to each side of the equation.
-30000 + 450x + 30000 + x2 = 0 + 30000

Reorder the terms:
-30000 + 30000 + 450x + x2 = 0 + 30000

Combine like terms: -30000 + 30000 = 0
0 + 450x + x2 = 0 + 30000
450x + x2 = 0 + 30000

Combine like terms: 0 + 30000 = 30000
450x + x2 = 30000

The x term is 450x.  Take half its coefficient (225).
Square it (50625) and add it to both sides.

Add '50625' to each side of the equation.
450x + 50625 + x2 = 30000 + 50625

Reorder the terms:
50625 + 450x + x2 = 30000 + 50625

Combine like terms: 30000 + 50625 = 80625
50625 + 450x + x2 = 80625

Factor a perfect square on the left side:
(x + 225)(x + 225) = 80625

Calculate the square root of the right side: 283.94541729

Break this problem into two subproblems by setting 
(x + 225) equal to 283.94541729 and -283.94541729.

Subproblem 1

x + 225 = 283.94541729 Simplifying x + 225 = 283.94541729 Reorder the terms: 225 + x = 283.94541729 Solving 225 + x = 283.94541729 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-225' to each side of the equation. 225 + -225 + x = 283.94541729 + -225 Combine like terms: 225 + -225 = 0 0 + x = 283.94541729 + -225 x = 283.94541729 + -225 Combine like terms: 283.94541729 + -225 = 58.94541729 x = 58.94541729 Simplifying x = 58.94541729

Subproblem 2

x + 225 = -283.94541729 Simplifying x + 225 = -283.94541729 Reorder the terms: 225 + x = -283.94541729 Solving 225 + x = -283.94541729 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-225' to each side of the equation. 225 + -225 + x = -283.94541729 + -225 Combine like terms: 225 + -225 = 0 0 + x = -283.94541729 + -225 x = -283.94541729 + -225 Combine like terms: -283.94541729 + -225 = -508.94541729 x = -508.94541729 Simplifying x = -508.94541729

Solution

The solution to the problem is based on the solutions from the subproblems. x = {58.94541729, -508.94541729}

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