(X^2-6X)+55=180

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Solution for (X^2-6X)+55=180 equation:


Simplifying
(X2 + -6X) + 55 = 180

Reorder the terms:
(-6X + X2) + 55 = 180

Remove parenthesis around (-6X + X2)
-6X + X2 + 55 = 180

Reorder the terms:
55 + -6X + X2 = 180

Solving
55 + -6X + X2 = 180

Solving for variable 'X'.

Reorder the terms:
55 + -180 + -6X + X2 = 180 + -180

Combine like terms: 55 + -180 = -125
-125 + -6X + X2 = 180 + -180

Combine like terms: 180 + -180 = 0
-125 + -6X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '125' to each side of the equation.
-125 + -6X + 125 + X2 = 0 + 125

Reorder the terms:
-125 + 125 + -6X + X2 = 0 + 125

Combine like terms: -125 + 125 = 0
0 + -6X + X2 = 0 + 125
-6X + X2 = 0 + 125

Combine like terms: 0 + 125 = 125
-6X + X2 = 125

The X term is -6X.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6X + 9 + X2 = 125 + 9

Reorder the terms:
9 + -6X + X2 = 125 + 9

Combine like terms: 125 + 9 = 134
9 + -6X + X2 = 134

Factor a perfect square on the left side:
(X + -3)(X + -3) = 134

Calculate the square root of the right side: 11.575836903

Break this problem into two subproblems by setting 
(X + -3) equal to 11.575836903 and -11.575836903.

Subproblem 1

X + -3 = 11.575836903 Simplifying X + -3 = 11.575836903 Reorder the terms: -3 + X = 11.575836903 Solving -3 + X = 11.575836903 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + X = 11.575836903 + 3 Combine like terms: -3 + 3 = 0 0 + X = 11.575836903 + 3 X = 11.575836903 + 3 Combine like terms: 11.575836903 + 3 = 14.575836903 X = 14.575836903 Simplifying X = 14.575836903

Subproblem 2

X + -3 = -11.575836903 Simplifying X + -3 = -11.575836903 Reorder the terms: -3 + X = -11.575836903 Solving -3 + X = -11.575836903 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + X = -11.575836903 + 3 Combine like terms: -3 + 3 = 0 0 + X = -11.575836903 + 3 X = -11.575836903 + 3 Combine like terms: -11.575836903 + 3 = -8.575836903 X = -8.575836903 Simplifying X = -8.575836903

Solution

The solution to the problem is based on the solutions from the subproblems. X = {14.575836903, -8.575836903}

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