x^2-120x-3276=0

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Solution for x^2-120x-3276=0 equation:


Simplifying
x2 + -120x + -3276 = 0

Reorder the terms:
-3276 + -120x + x2 = 0

Solving
-3276 + -120x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3276' to each side of the equation.
-3276 + -120x + 3276 + x2 = 0 + 3276

Reorder the terms:
-3276 + 3276 + -120x + x2 = 0 + 3276

Combine like terms: -3276 + 3276 = 0
0 + -120x + x2 = 0 + 3276
-120x + x2 = 0 + 3276

Combine like terms: 0 + 3276 = 3276
-120x + x2 = 3276

The x term is -120x.  Take half its coefficient (-60).
Square it (3600) and add it to both sides.

Add '3600' to each side of the equation.
-120x + 3600 + x2 = 3276 + 3600

Reorder the terms:
3600 + -120x + x2 = 3276 + 3600

Combine like terms: 3276 + 3600 = 6876
3600 + -120x + x2 = 6876

Factor a perfect square on the left side:
(x + -60)(x + -60) = 6876

Calculate the square root of the right side: 82.921649767

Break this problem into two subproblems by setting 
(x + -60) equal to 82.921649767 and -82.921649767.

Subproblem 1

x + -60 = 82.921649767 Simplifying x + -60 = 82.921649767 Reorder the terms: -60 + x = 82.921649767 Solving -60 + x = 82.921649767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '60' to each side of the equation. -60 + 60 + x = 82.921649767 + 60 Combine like terms: -60 + 60 = 0 0 + x = 82.921649767 + 60 x = 82.921649767 + 60 Combine like terms: 82.921649767 + 60 = 142.921649767 x = 142.921649767 Simplifying x = 142.921649767

Subproblem 2

x + -60 = -82.921649767 Simplifying x + -60 = -82.921649767 Reorder the terms: -60 + x = -82.921649767 Solving -60 + x = -82.921649767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '60' to each side of the equation. -60 + 60 + x = -82.921649767 + 60 Combine like terms: -60 + 60 = 0 0 + x = -82.921649767 + 60 x = -82.921649767 + 60 Combine like terms: -82.921649767 + 60 = -22.921649767 x = -22.921649767 Simplifying x = -22.921649767

Solution

The solution to the problem is based on the solutions from the subproblems. x = {142.921649767, -22.921649767}

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