x^2-41x-540=0

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Solution for x^2-41x-540=0 equation:


Simplifying
x2 + -41x + -540 = 0

Reorder the terms:
-540 + -41x + x2 = 0

Solving
-540 + -41x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '540' to each side of the equation.
-540 + -41x + 540 + x2 = 0 + 540

Reorder the terms:
-540 + 540 + -41x + x2 = 0 + 540

Combine like terms: -540 + 540 = 0
0 + -41x + x2 = 0 + 540
-41x + x2 = 0 + 540

Combine like terms: 0 + 540 = 540
-41x + x2 = 540

The x term is -41x.  Take half its coefficient (-20.5).
Square it (420.25) and add it to both sides.

Add '420.25' to each side of the equation.
-41x + 420.25 + x2 = 540 + 420.25

Reorder the terms:
420.25 + -41x + x2 = 540 + 420.25

Combine like terms: 540 + 420.25 = 960.25
420.25 + -41x + x2 = 960.25

Factor a perfect square on the left side:
(x + -20.5)(x + -20.5) = 960.25

Calculate the square root of the right side: 30.987900865

Break this problem into two subproblems by setting 
(x + -20.5) equal to 30.987900865 and -30.987900865.

Subproblem 1

x + -20.5 = 30.987900865 Simplifying x + -20.5 = 30.987900865 Reorder the terms: -20.5 + x = 30.987900865 Solving -20.5 + x = 30.987900865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20.5' to each side of the equation. -20.5 + 20.5 + x = 30.987900865 + 20.5 Combine like terms: -20.5 + 20.5 = 0.0 0.0 + x = 30.987900865 + 20.5 x = 30.987900865 + 20.5 Combine like terms: 30.987900865 + 20.5 = 51.487900865 x = 51.487900865 Simplifying x = 51.487900865

Subproblem 2

x + -20.5 = -30.987900865 Simplifying x + -20.5 = -30.987900865 Reorder the terms: -20.5 + x = -30.987900865 Solving -20.5 + x = -30.987900865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20.5' to each side of the equation. -20.5 + 20.5 + x = -30.987900865 + 20.5 Combine like terms: -20.5 + 20.5 = 0.0 0.0 + x = -30.987900865 + 20.5 x = -30.987900865 + 20.5 Combine like terms: -30.987900865 + 20.5 = -10.487900865 x = -10.487900865 Simplifying x = -10.487900865

Solution

The solution to the problem is based on the solutions from the subproblems. x = {51.487900865, -10.487900865}

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