11x^2-3780x-360=0

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Solution for 11x^2-3780x-360=0 equation:


Simplifying
11x2 + -3780x + -360 = 0

Reorder the terms:
-360 + -3780x + 11x2 = 0

Solving
-360 + -3780x + 11x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
11 the coefficient of the squared term: 

Divide each side by '11'.
-32.72727273 + -343.6363636x + x2 = 0

Move the constant term to the right:

Add '32.72727273' to each side of the equation.
-32.72727273 + -343.6363636x + 32.72727273 + x2 = 0 + 32.72727273

Reorder the terms:
-32.72727273 + 32.72727273 + -343.6363636x + x2 = 0 + 32.72727273

Combine like terms: -32.72727273 + 32.72727273 = 0.00000000
0.00000000 + -343.6363636x + x2 = 0 + 32.72727273
-343.6363636x + x2 = 0 + 32.72727273

Combine like terms: 0 + 32.72727273 = 32.72727273
-343.6363636x + x2 = 32.72727273

The x term is -343.6363636x.  Take half its coefficient (-171.8181818).
Square it (29521.48760) and add it to both sides.

Add '29521.48760' to each side of the equation.
-343.6363636x + 29521.48760 + x2 = 32.72727273 + 29521.48760

Reorder the terms:
29521.48760 + -343.6363636x + x2 = 32.72727273 + 29521.48760

Combine like terms: 32.72727273 + 29521.48760 = 29554.21487273
29521.48760 + -343.6363636x + x2 = 29554.21487273

Factor a perfect square on the left side:
(x + -171.8181818)(x + -171.8181818) = 29554.21487273

Calculate the square root of the right side: 171.913393523

Break this problem into two subproblems by setting 
(x + -171.8181818) equal to 171.913393523 and -171.913393523.

Subproblem 1

x + -171.8181818 = 171.913393523 Simplifying x + -171.8181818 = 171.913393523 Reorder the terms: -171.8181818 + x = 171.913393523 Solving -171.8181818 + x = 171.913393523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '171.8181818' to each side of the equation. -171.8181818 + 171.8181818 + x = 171.913393523 + 171.8181818 Combine like terms: -171.8181818 + 171.8181818 = 0.0000000 0.0000000 + x = 171.913393523 + 171.8181818 x = 171.913393523 + 171.8181818 Combine like terms: 171.913393523 + 171.8181818 = 343.731575323 x = 343.731575323 Simplifying x = 343.731575323

Subproblem 2

x + -171.8181818 = -171.913393523 Simplifying x + -171.8181818 = -171.913393523 Reorder the terms: -171.8181818 + x = -171.913393523 Solving -171.8181818 + x = -171.913393523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '171.8181818' to each side of the equation. -171.8181818 + 171.8181818 + x = -171.913393523 + 171.8181818 Combine like terms: -171.8181818 + 171.8181818 = 0.0000000 0.0000000 + x = -171.913393523 + 171.8181818 x = -171.913393523 + 171.8181818 Combine like terms: -171.913393523 + 171.8181818 = -0.095211723 x = -0.095211723 Simplifying x = -0.095211723

Solution

The solution to the problem is based on the solutions from the subproblems. x = {343.731575323, -0.095211723}

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