237.5-25x+x^2=156.25

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Solution for 237.5-25x+x^2=156.25 equation:


Simplifying
237.5 + -25x + x2 = 156.25

Solving
237.5 + -25x + x2 = 156.25

Solving for variable 'x'.

Reorder the terms:
237.5 + -156.25 + -25x + x2 = 156.25 + -156.25

Combine like terms: 237.5 + -156.25 = 81.25
81.25 + -25x + x2 = 156.25 + -156.25

Combine like terms: 156.25 + -156.25 = 0.00
81.25 + -25x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '-81.25' to each side of the equation.
81.25 + -25x + -81.25 + x2 = 0.00 + -81.25

Reorder the terms:
81.25 + -81.25 + -25x + x2 = 0.00 + -81.25

Combine like terms: 81.25 + -81.25 = 0.00
0.00 + -25x + x2 = 0.00 + -81.25
-25x + x2 = 0.00 + -81.25

Combine like terms: 0.00 + -81.25 = -81.25
-25x + x2 = -81.25

The x term is -25x.  Take half its coefficient (-12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
-25x + 156.25 + x2 = -81.25 + 156.25

Reorder the terms:
156.25 + -25x + x2 = -81.25 + 156.25

Combine like terms: -81.25 + 156.25 = 75
156.25 + -25x + x2 = 75

Factor a perfect square on the left side:
(x + -12.5)(x + -12.5) = 75

Calculate the square root of the right side: 8.660254038

Break this problem into two subproblems by setting 
(x + -12.5) equal to 8.660254038 and -8.660254038.

Subproblem 1

x + -12.5 = 8.660254038 Simplifying x + -12.5 = 8.660254038 Reorder the terms: -12.5 + x = 8.660254038 Solving -12.5 + x = 8.660254038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + x = 8.660254038 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + x = 8.660254038 + 12.5 x = 8.660254038 + 12.5 Combine like terms: 8.660254038 + 12.5 = 21.160254038 x = 21.160254038 Simplifying x = 21.160254038

Subproblem 2

x + -12.5 = -8.660254038 Simplifying x + -12.5 = -8.660254038 Reorder the terms: -12.5 + x = -8.660254038 Solving -12.5 + x = -8.660254038 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + x = -8.660254038 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + x = -8.660254038 + 12.5 x = -8.660254038 + 12.5 Combine like terms: -8.660254038 + 12.5 = 3.839745962 x = 3.839745962 Simplifying x = 3.839745962

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.160254038, 3.839745962}

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