17x^2-6x=9

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Solution for 17x^2-6x=9 equation:


Simplifying
17x2 + -6x = 9

Reorder the terms:
-6x + 17x2 = 9

Solving
-6x + 17x2 = 9

Solving for variable 'x'.

Reorder the terms:
-9 + -6x + 17x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -6x + 17x2 = 0

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

Divide each side by '17'.
-0.5294117647 + -0.3529411765x + x2 = 0

Move the constant term to the right:

Add '0.5294117647' to each side of the equation.
-0.5294117647 + -0.3529411765x + 0.5294117647 + x2 = 0 + 0.5294117647

Reorder the terms:
-0.5294117647 + 0.5294117647 + -0.3529411765x + x2 = 0 + 0.5294117647

Combine like terms: -0.5294117647 + 0.5294117647 = 0.0000000000
0.0000000000 + -0.3529411765x + x2 = 0 + 0.5294117647
-0.3529411765x + x2 = 0 + 0.5294117647

Combine like terms: 0 + 0.5294117647 = 0.5294117647
-0.3529411765x + x2 = 0.5294117647

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 = 0.5294117647 + 0.03114186853

Reorder the terms:
0.03114186853 + -0.3529411765x + x2 = 0.5294117647 + 0.03114186853

Combine like terms: 0.5294117647 + 0.03114186853 = 0.56055363323
0.03114186853 + -0.3529411765x + x2 = 0.56055363323

Factor a perfect square on the left side:
(x + -0.1764705883)(x + -0.1764705883) = 0.56055363323

Calculate the square root of the right side: 0.748701298

Break this problem into two subproblems by setting 
(x + -0.1764705883) equal to 0.748701298 and -0.748701298.

Subproblem 1

x + -0.1764705883 = 0.748701298 Simplifying x + -0.1764705883 = 0.748701298 Reorder the terms: -0.1764705883 + x = 0.748701298 Solving -0.1764705883 + x = 0.748701298 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 = 0.748701298 + 0.1764705883 Combine like terms: -0.1764705883 + 0.1764705883 = 0.0000000000 0.0000000000 + x = 0.748701298 + 0.1764705883 x = 0.748701298 + 0.1764705883 Combine like terms: 0.748701298 + 0.1764705883 = 0.9251718863 x = 0.9251718863 Simplifying x = 0.9251718863

Subproblem 2

x + -0.1764705883 = -0.748701298 Simplifying x + -0.1764705883 = -0.748701298 Reorder the terms: -0.1764705883 + x = -0.748701298 Solving -0.1764705883 + x = -0.748701298 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 = -0.748701298 + 0.1764705883 Combine like terms: -0.1764705883 + 0.1764705883 = 0.0000000000 0.0000000000 + x = -0.748701298 + 0.1764705883 x = -0.748701298 + 0.1764705883 Combine like terms: -0.748701298 + 0.1764705883 = -0.5722307097 x = -0.5722307097 Simplifying x = -0.5722307097

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.9251718863, -0.5722307097}

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