9x^2-32x-17=0

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Solution for 9x^2-32x-17=0 equation:


Simplifying
9x2 + -32x + -17 = 0

Reorder the terms:
-17 + -32x + 9x2 = 0

Solving
-17 + -32x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
-1.888888889 + -3.555555556x + x2 = 0

Move the constant term to the right:

Add '1.888888889' to each side of the equation.
-1.888888889 + -3.555555556x + 1.888888889 + x2 = 0 + 1.888888889

Reorder the terms:
-1.888888889 + 1.888888889 + -3.555555556x + x2 = 0 + 1.888888889

Combine like terms: -1.888888889 + 1.888888889 = 0.000000000
0.000000000 + -3.555555556x + x2 = 0 + 1.888888889
-3.555555556x + x2 = 0 + 1.888888889

Combine like terms: 0 + 1.888888889 = 1.888888889
-3.555555556x + x2 = 1.888888889

The x term is -3.555555556x.  Take half its coefficient (-1.777777778).
Square it (3.160493828) and add it to both sides.

Add '3.160493828' to each side of the equation.
-3.555555556x + 3.160493828 + x2 = 1.888888889 + 3.160493828

Reorder the terms:
3.160493828 + -3.555555556x + x2 = 1.888888889 + 3.160493828

Combine like terms: 1.888888889 + 3.160493828 = 5.049382717
3.160493828 + -3.555555556x + x2 = 5.049382717

Factor a perfect square on the left side:
(x + -1.777777778)(x + -1.777777778) = 5.049382717

Calculate the square root of the right side: 2.247083158

Break this problem into two subproblems by setting 
(x + -1.777777778) equal to 2.247083158 and -2.247083158.

Subproblem 1

x + -1.777777778 = 2.247083158 Simplifying x + -1.777777778 = 2.247083158 Reorder the terms: -1.777777778 + x = 2.247083158 Solving -1.777777778 + x = 2.247083158 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.777777778' to each side of the equation. -1.777777778 + 1.777777778 + x = 2.247083158 + 1.777777778 Combine like terms: -1.777777778 + 1.777777778 = 0.000000000 0.000000000 + x = 2.247083158 + 1.777777778 x = 2.247083158 + 1.777777778 Combine like terms: 2.247083158 + 1.777777778 = 4.024860936 x = 4.024860936 Simplifying x = 4.024860936

Subproblem 2

x + -1.777777778 = -2.247083158 Simplifying x + -1.777777778 = -2.247083158 Reorder the terms: -1.777777778 + x = -2.247083158 Solving -1.777777778 + x = -2.247083158 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.777777778' to each side of the equation. -1.777777778 + 1.777777778 + x = -2.247083158 + 1.777777778 Combine like terms: -1.777777778 + 1.777777778 = 0.000000000 0.000000000 + x = -2.247083158 + 1.777777778 x = -2.247083158 + 1.777777778 Combine like terms: -2.247083158 + 1.777777778 = -0.46930538 x = -0.46930538 Simplifying x = -0.46930538

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.024860936, -0.46930538}

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