17x^2-6x-83=0

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Solution for 17x^2-6x-83=0 equation:


Simplifying
17x2 + -6x + -83 = 0

Reorder the terms:
-83 + -6x + 17x2 = 0

Solving
-83 + -6x + 17x2 = 0

Solving for variable 'x'.

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

Divide each side by '17'.
-4.882352941 + -0.3529411765x + x2 = 0

Move the constant term to the right:

Add '4.882352941' to each side of the equation.
-4.882352941 + -0.3529411765x + 4.882352941 + x2 = 0 + 4.882352941

Reorder the terms:
-4.882352941 + 4.882352941 + -0.3529411765x + x2 = 0 + 4.882352941

Combine like terms: -4.882352941 + 4.882352941 = 0.000000000
0.000000000 + -0.3529411765x + x2 = 0 + 4.882352941
-0.3529411765x + x2 = 0 + 4.882352941

Combine like terms: 0 + 4.882352941 = 4.882352941
-0.3529411765x + x2 = 4.882352941

The x term is -0.3529411765x.  Take half its coefficient (-0.1764705883).
Square it (0.03114186853) and add it to both sides.

Add '0.03114186853' to each side of the equation.
-0.3529411765x + 0.03114186853 + x2 = 4.882352941 + 0.03114186853

Reorder the terms:
0.03114186853 + -0.3529411765x + x2 = 4.882352941 + 0.03114186853

Combine like terms: 4.882352941 + 0.03114186853 = 4.91349480953
0.03114186853 + -0.3529411765x + x2 = 4.91349480953

Factor a perfect square on the left side:
(x + -0.1764705883)(x + -0.1764705883) = 4.91349480953

Calculate the square root of the right side: 2.216640433

Break this problem into two subproblems by setting 
(x + -0.1764705883) equal to 2.216640433 and -2.216640433.

Subproblem 1

x + -0.1764705883 = 2.216640433 Simplifying x + -0.1764705883 = 2.216640433 Reorder the terms: -0.1764705883 + x = 2.216640433 Solving -0.1764705883 + x = 2.216640433 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1764705883' to each side of the equation. -0.1764705883 + 0.1764705883 + x = 2.216640433 + 0.1764705883 Combine like terms: -0.1764705883 + 0.1764705883 = 0.0000000000 0.0000000000 + x = 2.216640433 + 0.1764705883 x = 2.216640433 + 0.1764705883 Combine like terms: 2.216640433 + 0.1764705883 = 2.3931110213 x = 2.3931110213 Simplifying x = 2.3931110213

Subproblem 2

x + -0.1764705883 = -2.216640433 Simplifying x + -0.1764705883 = -2.216640433 Reorder the terms: -0.1764705883 + x = -2.216640433 Solving -0.1764705883 + x = -2.216640433 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1764705883' to each side of the equation. -0.1764705883 + 0.1764705883 + x = -2.216640433 + 0.1764705883 Combine like terms: -0.1764705883 + 0.1764705883 = 0.0000000000 0.0000000000 + x = -2.216640433 + 0.1764705883 x = -2.216640433 + 0.1764705883 Combine like terms: -2.216640433 + 0.1764705883 = -2.0401698447 x = -2.0401698447 Simplifying x = -2.0401698447

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.3931110213, -2.0401698447}

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