x^2-22.5x=88

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Solution for x^2-22.5x=88 equation:


Simplifying
x2 + -22.5x = 88

Reorder the terms:
-22.5x + x2 = 88

Solving
-22.5x + x2 = 88

Solving for variable 'x'.

Reorder the terms:
-88 + -22.5x + x2 = 88 + -88

Combine like terms: 88 + -88 = 0
-88 + -22.5x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '88' to each side of the equation.
-88 + -22.5x + 88 + x2 = 0 + 88

Reorder the terms:
-88 + 88 + -22.5x + x2 = 0 + 88

Combine like terms: -88 + 88 = 0
0 + -22.5x + x2 = 0 + 88
-22.5x + x2 = 0 + 88

Combine like terms: 0 + 88 = 88
-22.5x + x2 = 88

The x term is -22.5x.  Take half its coefficient (-11.25).
Square it (126.5625) and add it to both sides.

Add '126.5625' to each side of the equation.
-22.5x + 126.5625 + x2 = 88 + 126.5625

Reorder the terms:
126.5625 + -22.5x + x2 = 88 + 126.5625

Combine like terms: 88 + 126.5625 = 214.5625
126.5625 + -22.5x + x2 = 214.5625

Factor a perfect square on the left side:
(x + -11.25)(x + -11.25) = 214.5625

Calculate the square root of the right side: 14.647952075

Break this problem into two subproblems by setting 
(x + -11.25) equal to 14.647952075 and -14.647952075.

Subproblem 1

x + -11.25 = 14.647952075 Simplifying x + -11.25 = 14.647952075 Reorder the terms: -11.25 + x = 14.647952075 Solving -11.25 + x = 14.647952075 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.25' to each side of the equation. -11.25 + 11.25 + x = 14.647952075 + 11.25 Combine like terms: -11.25 + 11.25 = 0.00 0.00 + x = 14.647952075 + 11.25 x = 14.647952075 + 11.25 Combine like terms: 14.647952075 + 11.25 = 25.897952075 x = 25.897952075 Simplifying x = 25.897952075

Subproblem 2

x + -11.25 = -14.647952075 Simplifying x + -11.25 = -14.647952075 Reorder the terms: -11.25 + x = -14.647952075 Solving -11.25 + x = -14.647952075 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.25' to each side of the equation. -11.25 + 11.25 + x = -14.647952075 + 11.25 Combine like terms: -11.25 + 11.25 = 0.00 0.00 + x = -14.647952075 + 11.25 x = -14.647952075 + 11.25 Combine like terms: -14.647952075 + 11.25 = -3.397952075 x = -3.397952075 Simplifying x = -3.397952075

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.897952075, -3.397952075}

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