x^2-14x+22.5=0

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Solution for x^2-14x+22.5=0 equation:


Simplifying
x2 + -14x + 22.5 = 0

Reorder the terms:
22.5 + -14x + x2 = 0

Solving
22.5 + -14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-22.5' to each side of the equation.
22.5 + -14x + -22.5 + x2 = 0 + -22.5

Reorder the terms:
22.5 + -22.5 + -14x + x2 = 0 + -22.5

Combine like terms: 22.5 + -22.5 = 0.0
0.0 + -14x + x2 = 0 + -22.5
-14x + x2 = 0 + -22.5

Combine like terms: 0 + -22.5 = -22.5
-14x + x2 = -22.5

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -22.5 + 49

Reorder the terms:
49 + -14x + x2 = -22.5 + 49

Combine like terms: -22.5 + 49 = 26.5
49 + -14x + x2 = 26.5

Factor a perfect square on the left side:
(x + -7)(x + -7) = 26.5

Calculate the square root of the right side: 5.14781507

Break this problem into two subproblems by setting 
(x + -7) equal to 5.14781507 and -5.14781507.

Subproblem 1

x + -7 = 5.14781507 Simplifying x + -7 = 5.14781507 Reorder the terms: -7 + x = 5.14781507 Solving -7 + x = 5.14781507 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 5.14781507 + 7 Combine like terms: -7 + 7 = 0 0 + x = 5.14781507 + 7 x = 5.14781507 + 7 Combine like terms: 5.14781507 + 7 = 12.14781507 x = 12.14781507 Simplifying x = 12.14781507

Subproblem 2

x + -7 = -5.14781507 Simplifying x + -7 = -5.14781507 Reorder the terms: -7 + x = -5.14781507 Solving -7 + x = -5.14781507 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -5.14781507 + 7 Combine like terms: -7 + 7 = 0 0 + x = -5.14781507 + 7 x = -5.14781507 + 7 Combine like terms: -5.14781507 + 7 = 1.85218493 x = 1.85218493 Simplifying x = 1.85218493

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.14781507, 1.85218493}

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