11x^2-16x-60=0

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Solution for 11x^2-16x-60=0 equation:


Simplifying
11x2 + -16x + -60 = 0

Reorder the terms:
-60 + -16x + 11x2 = 0

Solving
-60 + -16x + 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'.
-5.454545455 + -1.454545455x + x2 = 0

Move the constant term to the right:

Add '5.454545455' to each side of the equation.
-5.454545455 + -1.454545455x + 5.454545455 + x2 = 0 + 5.454545455

Reorder the terms:
-5.454545455 + 5.454545455 + -1.454545455x + x2 = 0 + 5.454545455

Combine like terms: -5.454545455 + 5.454545455 = 0.000000000
0.000000000 + -1.454545455x + x2 = 0 + 5.454545455
-1.454545455x + x2 = 0 + 5.454545455

Combine like terms: 0 + 5.454545455 = 5.454545455
-1.454545455x + x2 = 5.454545455

The x term is -1.454545455x.  Take half its coefficient (-0.7272727275).
Square it (0.5289256202) and add it to both sides.

Add '0.5289256202' to each side of the equation.
-1.454545455x + 0.5289256202 + x2 = 5.454545455 + 0.5289256202

Reorder the terms:
0.5289256202 + -1.454545455x + x2 = 5.454545455 + 0.5289256202

Combine like terms: 5.454545455 + 0.5289256202 = 5.9834710752
0.5289256202 + -1.454545455x + x2 = 5.9834710752

Factor a perfect square on the left side:
(x + -0.7272727275)(x + -0.7272727275) = 5.9834710752

Calculate the square root of the right side: 2.446113463

Break this problem into two subproblems by setting 
(x + -0.7272727275) equal to 2.446113463 and -2.446113463.

Subproblem 1

x + -0.7272727275 = 2.446113463 Simplifying x + -0.7272727275 = 2.446113463 Reorder the terms: -0.7272727275 + x = 2.446113463 Solving -0.7272727275 + x = 2.446113463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7272727275' to each side of the equation. -0.7272727275 + 0.7272727275 + x = 2.446113463 + 0.7272727275 Combine like terms: -0.7272727275 + 0.7272727275 = 0.0000000000 0.0000000000 + x = 2.446113463 + 0.7272727275 x = 2.446113463 + 0.7272727275 Combine like terms: 2.446113463 + 0.7272727275 = 3.1733861905 x = 3.1733861905 Simplifying x = 3.1733861905

Subproblem 2

x + -0.7272727275 = -2.446113463 Simplifying x + -0.7272727275 = -2.446113463 Reorder the terms: -0.7272727275 + x = -2.446113463 Solving -0.7272727275 + x = -2.446113463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7272727275' to each side of the equation. -0.7272727275 + 0.7272727275 + x = -2.446113463 + 0.7272727275 Combine like terms: -0.7272727275 + 0.7272727275 = 0.0000000000 0.0000000000 + x = -2.446113463 + 0.7272727275 x = -2.446113463 + 0.7272727275 Combine like terms: -2.446113463 + 0.7272727275 = -1.7188407355 x = -1.7188407355 Simplifying x = -1.7188407355

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.1733861905, -1.7188407355}

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