x^2-12x=50

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Solution for x^2-12x=50 equation:


Simplifying
x2 + -12x = 50

Reorder the terms:
-12x + x2 = 50

Solving
-12x + x2 = 50

Solving for variable 'x'.

Reorder the terms:
-50 + -12x + x2 = 50 + -50

Combine like terms: 50 + -50 = 0
-50 + -12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + -12x + 50 + x2 = 0 + 50

Reorder the terms:
-50 + 50 + -12x + x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + -12x + x2 = 0 + 50
-12x + x2 = 0 + 50

Combine like terms: 0 + 50 = 50
-12x + x2 = 50

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 = 50 + 36

Reorder the terms:
36 + -12x + x2 = 50 + 36

Combine like terms: 50 + 36 = 86
36 + -12x + x2 = 86

Factor a perfect square on the left side:
(x + -6)(x + -6) = 86

Calculate the square root of the right side: 9.273618495

Break this problem into two subproblems by setting 
(x + -6) equal to 9.273618495 and -9.273618495.

Subproblem 1

x + -6 = 9.273618495 Simplifying x + -6 = 9.273618495 Reorder the terms: -6 + x = 9.273618495 Solving -6 + x = 9.273618495 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 = 9.273618495 + 6 Combine like terms: -6 + 6 = 0 0 + x = 9.273618495 + 6 x = 9.273618495 + 6 Combine like terms: 9.273618495 + 6 = 15.273618495 x = 15.273618495 Simplifying x = 15.273618495

Subproblem 2

x + -6 = -9.273618495 Simplifying x + -6 = -9.273618495 Reorder the terms: -6 + x = -9.273618495 Solving -6 + x = -9.273618495 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 = -9.273618495 + 6 Combine like terms: -6 + 6 = 0 0 + x = -9.273618495 + 6 x = -9.273618495 + 6 Combine like terms: -9.273618495 + 6 = -3.273618495 x = -3.273618495 Simplifying x = -3.273618495

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.273618495, -3.273618495}

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