X^2-2*6*X=36+25

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Solution for X^2-2*6*X=36+25 equation:


Simplifying
X2 + -2 * 6X = 36 + 25

Multiply -2 * 6
X2 + -12X = 36 + 25

Reorder the terms:
-12X + X2 = 36 + 25

Combine like terms: 36 + 25 = 61
-12X + X2 = 61

Solving
-12X + X2 = 61

Solving for variable 'X'.

Reorder the terms:
-61 + -12X + X2 = 61 + -61

Combine like terms: 61 + -61 = 0
-61 + -12X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '61' to each side of the equation.
-61 + -12X + 61 + X2 = 0 + 61

Reorder the terms:
-61 + 61 + -12X + X2 = 0 + 61

Combine like terms: -61 + 61 = 0
0 + -12X + X2 = 0 + 61
-12X + X2 = 0 + 61

Combine like terms: 0 + 61 = 61
-12X + X2 = 61

The X term is -12X.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12X + 36 + X2 = 61 + 36

Reorder the terms:
36 + -12X + X2 = 61 + 36

Combine like terms: 61 + 36 = 97
36 + -12X + X2 = 97

Factor a perfect square on the left side:
(X + -6)(X + -6) = 97

Calculate the square root of the right side: 9.848857802

Break this problem into two subproblems by setting 
(X + -6) equal to 9.848857802 and -9.848857802.

Subproblem 1

X + -6 = 9.848857802 Simplifying X + -6 = 9.848857802 Reorder the terms: -6 + X = 9.848857802 Solving -6 + X = 9.848857802 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + X = 9.848857802 + 6 Combine like terms: -6 + 6 = 0 0 + X = 9.848857802 + 6 X = 9.848857802 + 6 Combine like terms: 9.848857802 + 6 = 15.848857802 X = 15.848857802 Simplifying X = 15.848857802

Subproblem 2

X + -6 = -9.848857802 Simplifying X + -6 = -9.848857802 Reorder the terms: -6 + X = -9.848857802 Solving -6 + X = -9.848857802 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + X = -9.848857802 + 6 Combine like terms: -6 + 6 = 0 0 + X = -9.848857802 + 6 X = -9.848857802 + 6 Combine like terms: -9.848857802 + 6 = -3.848857802 X = -3.848857802 Simplifying X = -3.848857802

Solution

The solution to the problem is based on the solutions from the subproblems. X = {15.848857802, -3.848857802}

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