17x^2-8x-234=0

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Solution for 17x^2-8x-234=0 equation:


Simplifying
17x2 + -8x + -234 = 0

Reorder the terms:
-234 + -8x + 17x2 = 0

Solving
-234 + -8x + 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'.
-13.76470588 + -0.4705882353x + x2 = 0

Move the constant term to the right:

Add '13.76470588' to each side of the equation.
-13.76470588 + -0.4705882353x + 13.76470588 + x2 = 0 + 13.76470588

Reorder the terms:
-13.76470588 + 13.76470588 + -0.4705882353x + x2 = 0 + 13.76470588

Combine like terms: -13.76470588 + 13.76470588 = 0.00000000
0.00000000 + -0.4705882353x + x2 = 0 + 13.76470588
-0.4705882353x + x2 = 0 + 13.76470588

Combine like terms: 0 + 13.76470588 = 13.76470588
-0.4705882353x + x2 = 13.76470588

The x term is -0.4705882353x.  Take half its coefficient (-0.2352941177).
Square it (0.05536332182) and add it to both sides.

Add '0.05536332182' to each side of the equation.
-0.4705882353x + 0.05536332182 + x2 = 13.76470588 + 0.05536332182

Reorder the terms:
0.05536332182 + -0.4705882353x + x2 = 13.76470588 + 0.05536332182

Combine like terms: 13.76470588 + 0.05536332182 = 13.82006920182
0.05536332182 + -0.4705882353x + x2 = 13.82006920182

Factor a perfect square on the left side:
(x + -0.2352941177)(x + -0.2352941177) = 13.82006920182

Calculate the square root of the right side: 3.717535367

Break this problem into two subproblems by setting 
(x + -0.2352941177) equal to 3.717535367 and -3.717535367.

Subproblem 1

x + -0.2352941177 = 3.717535367 Simplifying x + -0.2352941177 = 3.717535367 Reorder the terms: -0.2352941177 + x = 3.717535367 Solving -0.2352941177 + x = 3.717535367 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2352941177' to each side of the equation. -0.2352941177 + 0.2352941177 + x = 3.717535367 + 0.2352941177 Combine like terms: -0.2352941177 + 0.2352941177 = 0.0000000000 0.0000000000 + x = 3.717535367 + 0.2352941177 x = 3.717535367 + 0.2352941177 Combine like terms: 3.717535367 + 0.2352941177 = 3.9528294847 x = 3.9528294847 Simplifying x = 3.9528294847

Subproblem 2

x + -0.2352941177 = -3.717535367 Simplifying x + -0.2352941177 = -3.717535367 Reorder the terms: -0.2352941177 + x = -3.717535367 Solving -0.2352941177 + x = -3.717535367 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2352941177' to each side of the equation. -0.2352941177 + 0.2352941177 + x = -3.717535367 + 0.2352941177 Combine like terms: -0.2352941177 + 0.2352941177 = 0.0000000000 0.0000000000 + x = -3.717535367 + 0.2352941177 x = -3.717535367 + 0.2352941177 Combine like terms: -3.717535367 + 0.2352941177 = -3.4822412493 x = -3.4822412493 Simplifying x = -3.4822412493

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.9528294847, -3.4822412493}

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