-.5x^2+270x-33637.5=0

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Solution for -.5x^2+270x-33637.5=0 equation:


Simplifying
-0.5x2 + 270x + -33637.5 = 0

Reorder the terms:
-33637.5 + 270x + -0.5x2 = 0

Solving
-33637.5 + 270x + -0.5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
67275 + -540x + x2 = 0

Move the constant term to the right:

Add '-67275' to each side of the equation.
67275 + -540x + -67275 + x2 = 0 + -67275

Reorder the terms:
67275 + -67275 + -540x + x2 = 0 + -67275

Combine like terms: 67275 + -67275 = 0
0 + -540x + x2 = 0 + -67275
-540x + x2 = 0 + -67275

Combine like terms: 0 + -67275 = -67275
-540x + x2 = -67275

The x term is -540x.  Take half its coefficient (-270).
Square it (72900) and add it to both sides.

Add '72900' to each side of the equation.
-540x + 72900 + x2 = -67275 + 72900

Reorder the terms:
72900 + -540x + x2 = -67275 + 72900

Combine like terms: -67275 + 72900 = 5625
72900 + -540x + x2 = 5625

Factor a perfect square on the left side:
(x + -270)(x + -270) = 5625

Calculate the square root of the right side: 75

Break this problem into two subproblems by setting 
(x + -270) equal to 75 and -75.

Subproblem 1

x + -270 = 75 Simplifying x + -270 = 75 Reorder the terms: -270 + x = 75 Solving -270 + x = 75 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '270' to each side of the equation. -270 + 270 + x = 75 + 270 Combine like terms: -270 + 270 = 0 0 + x = 75 + 270 x = 75 + 270 Combine like terms: 75 + 270 = 345 x = 345 Simplifying x = 345

Subproblem 2

x + -270 = -75 Simplifying x + -270 = -75 Reorder the terms: -270 + x = -75 Solving -270 + x = -75 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '270' to each side of the equation. -270 + 270 + x = -75 + 270 Combine like terms: -270 + 270 = 0 0 + x = -75 + 270 x = -75 + 270 Combine like terms: -75 + 270 = 195 x = 195 Simplifying x = 195

Solution

The solution to the problem is based on the solutions from the subproblems. x = {345, 195}

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