-11x^2+6x+195=0

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Solution for -11x^2+6x+195=0 equation:


Simplifying
-11x2 + 6x + 195 = 0

Reorder the terms:
195 + 6x + -11x2 = 0

Solving
195 + 6x + -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'.
-17.72727273 + -0.5454545455x + x2 = 0

Move the constant term to the right:

Add '17.72727273' to each side of the equation.
-17.72727273 + -0.5454545455x + 17.72727273 + x2 = 0 + 17.72727273

Reorder the terms:
-17.72727273 + 17.72727273 + -0.5454545455x + x2 = 0 + 17.72727273

Combine like terms: -17.72727273 + 17.72727273 = 0.00000000
0.00000000 + -0.5454545455x + x2 = 0 + 17.72727273
-0.5454545455x + x2 = 0 + 17.72727273

Combine like terms: 0 + 17.72727273 = 17.72727273
-0.5454545455x + x2 = 17.72727273

The x term is -0.5454545455x.  Take half its coefficient (-0.2727272728).
Square it (0.07438016533) and add it to both sides.

Add '0.07438016533' to each side of the equation.
-0.5454545455x + 0.07438016533 + x2 = 17.72727273 + 0.07438016533

Reorder the terms:
0.07438016533 + -0.5454545455x + x2 = 17.72727273 + 0.07438016533

Combine like terms: 17.72727273 + 0.07438016533 = 17.80165289533
0.07438016533 + -0.5454545455x + x2 = 17.80165289533

Factor a perfect square on the left side:
(x + -0.2727272728)(x + -0.2727272728) = 17.80165289533

Calculate the square root of the right side: 4.219200504

Break this problem into two subproblems by setting 
(x + -0.2727272728) equal to 4.219200504 and -4.219200504.

Subproblem 1

x + -0.2727272728 = 4.219200504 Simplifying x + -0.2727272728 = 4.219200504 Reorder the terms: -0.2727272728 + x = 4.219200504 Solving -0.2727272728 + x = 4.219200504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2727272728' to each side of the equation. -0.2727272728 + 0.2727272728 + x = 4.219200504 + 0.2727272728 Combine like terms: -0.2727272728 + 0.2727272728 = 0.0000000000 0.0000000000 + x = 4.219200504 + 0.2727272728 x = 4.219200504 + 0.2727272728 Combine like terms: 4.219200504 + 0.2727272728 = 4.4919277768 x = 4.4919277768 Simplifying x = 4.4919277768

Subproblem 2

x + -0.2727272728 = -4.219200504 Simplifying x + -0.2727272728 = -4.219200504 Reorder the terms: -0.2727272728 + x = -4.219200504 Solving -0.2727272728 + x = -4.219200504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2727272728' to each side of the equation. -0.2727272728 + 0.2727272728 + x = -4.219200504 + 0.2727272728 Combine like terms: -0.2727272728 + 0.2727272728 = 0.0000000000 0.0000000000 + x = -4.219200504 + 0.2727272728 x = -4.219200504 + 0.2727272728 Combine like terms: -4.219200504 + 0.2727272728 = -3.9464732312 x = -3.9464732312 Simplifying x = -3.9464732312

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.4919277768, -3.9464732312}

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