0=x^2-243x+4455

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Solution for 0=x^2-243x+4455 equation:


Simplifying
0 = x2 + -243x + 4455

Reorder the terms:
0 = 4455 + -243x + x2

Solving
0 = 4455 + -243x + x2

Solving for variable 'x'.

Combine like terms: 0 + -4455 = -4455
-4455 + 243x + -1x2 = 4455 + -243x + x2 + -4455 + 243x + -1x2

Reorder the terms:
-4455 + 243x + -1x2 = 4455 + -4455 + -243x + 243x + x2 + -1x2

Combine like terms: 4455 + -4455 = 0
-4455 + 243x + -1x2 = 0 + -243x + 243x + x2 + -1x2
-4455 + 243x + -1x2 = -243x + 243x + x2 + -1x2

Combine like terms: -243x + 243x = 0
-4455 + 243x + -1x2 = 0 + x2 + -1x2
-4455 + 243x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-4455 + 243x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
4455 + -243x + x2 = 0

Move the constant term to the right:

Add '-4455' to each side of the equation.
4455 + -243x + -4455 + x2 = 0 + -4455

Reorder the terms:
4455 + -4455 + -243x + x2 = 0 + -4455

Combine like terms: 4455 + -4455 = 0
0 + -243x + x2 = 0 + -4455
-243x + x2 = 0 + -4455

Combine like terms: 0 + -4455 = -4455
-243x + x2 = -4455

The x term is -243x.  Take half its coefficient (-121.5).
Square it (14762.25) and add it to both sides.

Add '14762.25' to each side of the equation.
-243x + 14762.25 + x2 = -4455 + 14762.25

Reorder the terms:
14762.25 + -243x + x2 = -4455 + 14762.25

Combine like terms: -4455 + 14762.25 = 10307.25
14762.25 + -243x + x2 = 10307.25

Factor a perfect square on the left side:
(x + -121.5)(x + -121.5) = 10307.25

Calculate the square root of the right side: 101.524627554

Break this problem into two subproblems by setting 
(x + -121.5) equal to 101.524627554 and -101.524627554.

Subproblem 1

x + -121.5 = 101.524627554 Simplifying x + -121.5 = 101.524627554 Reorder the terms: -121.5 + x = 101.524627554 Solving -121.5 + x = 101.524627554 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '121.5' to each side of the equation. -121.5 + 121.5 + x = 101.524627554 + 121.5 Combine like terms: -121.5 + 121.5 = 0.0 0.0 + x = 101.524627554 + 121.5 x = 101.524627554 + 121.5 Combine like terms: 101.524627554 + 121.5 = 223.024627554 x = 223.024627554 Simplifying x = 223.024627554

Subproblem 2

x + -121.5 = -101.524627554 Simplifying x + -121.5 = -101.524627554 Reorder the terms: -121.5 + x = -101.524627554 Solving -121.5 + x = -101.524627554 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '121.5' to each side of the equation. -121.5 + 121.5 + x = -101.524627554 + 121.5 Combine like terms: -121.5 + 121.5 = 0.0 0.0 + x = -101.524627554 + 121.5 x = -101.524627554 + 121.5 Combine like terms: -101.524627554 + 121.5 = 19.975372446 x = 19.975372446 Simplifying x = 19.975372446

Solution

The solution to the problem is based on the solutions from the subproblems. x = {223.024627554, 19.975372446}

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