x^2-54x+12=0

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Solution for x^2-54x+12=0 equation:


Simplifying
x2 + -54x + 12 = 0

Reorder the terms:
12 + -54x + x2 = 0

Solving
12 + -54x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -54x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + -54x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -54x + x2 = 0 + -12
-54x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-54x + x2 = -12

The x term is -54x.  Take half its coefficient (-27).
Square it (729) and add it to both sides.

Add '729' to each side of the equation.
-54x + 729 + x2 = -12 + 729

Reorder the terms:
729 + -54x + x2 = -12 + 729

Combine like terms: -12 + 729 = 717
729 + -54x + x2 = 717

Factor a perfect square on the left side:
(x + -27)(x + -27) = 717

Calculate the square root of the right side: 26.776855678

Break this problem into two subproblems by setting 
(x + -27) equal to 26.776855678 and -26.776855678.

Subproblem 1

x + -27 = 26.776855678 Simplifying x + -27 = 26.776855678 Reorder the terms: -27 + x = 26.776855678 Solving -27 + x = 26.776855678 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + x = 26.776855678 + 27 Combine like terms: -27 + 27 = 0 0 + x = 26.776855678 + 27 x = 26.776855678 + 27 Combine like terms: 26.776855678 + 27 = 53.776855678 x = 53.776855678 Simplifying x = 53.776855678

Subproblem 2

x + -27 = -26.776855678 Simplifying x + -27 = -26.776855678 Reorder the terms: -27 + x = -26.776855678 Solving -27 + x = -26.776855678 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + x = -26.776855678 + 27 Combine like terms: -27 + 27 = 0 0 + x = -26.776855678 + 27 x = -26.776855678 + 27 Combine like terms: -26.776855678 + 27 = 0.223144322 x = 0.223144322 Simplifying x = 0.223144322

Solution

The solution to the problem is based on the solutions from the subproblems. x = {53.776855678, 0.223144322}

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