x^2-54x+225=0

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Solution for x^2-54x+225=0 equation:


Simplifying
x2 + -54x + 225 = 0

Reorder the terms:
225 + -54x + x2 = 0

Solving
225 + -54x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-225' to each side of the equation.
225 + -54x + -225 + x2 = 0 + -225

Reorder the terms:
225 + -225 + -54x + x2 = 0 + -225

Combine like terms: 225 + -225 = 0
0 + -54x + x2 = 0 + -225
-54x + x2 = 0 + -225

Combine like terms: 0 + -225 = -225
-54x + x2 = -225

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 = -225 + 729

Reorder the terms:
729 + -54x + x2 = -225 + 729

Combine like terms: -225 + 729 = 504
729 + -54x + x2 = 504

Factor a perfect square on the left side:
(x + -27)(x + -27) = 504

Calculate the square root of the right side: 22.449944321

Break this problem into two subproblems by setting 
(x + -27) equal to 22.449944321 and -22.449944321.

Subproblem 1

x + -27 = 22.449944321 Simplifying x + -27 = 22.449944321 Reorder the terms: -27 + x = 22.449944321 Solving -27 + x = 22.449944321 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 = 22.449944321 + 27 Combine like terms: -27 + 27 = 0 0 + x = 22.449944321 + 27 x = 22.449944321 + 27 Combine like terms: 22.449944321 + 27 = 49.449944321 x = 49.449944321 Simplifying x = 49.449944321

Subproblem 2

x + -27 = -22.449944321 Simplifying x + -27 = -22.449944321 Reorder the terms: -27 + x = -22.449944321 Solving -27 + x = -22.449944321 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 = -22.449944321 + 27 Combine like terms: -27 + 27 = 0 0 + x = -22.449944321 + 27 x = -22.449944321 + 27 Combine like terms: -22.449944321 + 27 = 4.550055679 x = 4.550055679 Simplifying x = 4.550055679

Solution

The solution to the problem is based on the solutions from the subproblems. x = {49.449944321, 4.550055679}

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