17x^2+23x-160=0

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Solution for 17x^2+23x-160=0 equation:


Simplifying
17x2 + 23x + -160 = 0

Reorder the terms:
-160 + 23x + 17x2 = 0

Solving
-160 + 23x + 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'.
-9.411764706 + 1.352941176x + x2 = 0

Move the constant term to the right:

Add '9.411764706' to each side of the equation.
-9.411764706 + 1.352941176x + 9.411764706 + x2 = 0 + 9.411764706

Reorder the terms:
-9.411764706 + 9.411764706 + 1.352941176x + x2 = 0 + 9.411764706

Combine like terms: -9.411764706 + 9.411764706 = 0.000000000
0.000000000 + 1.352941176x + x2 = 0 + 9.411764706
1.352941176x + x2 = 0 + 9.411764706

Combine like terms: 0 + 9.411764706 = 9.411764706
1.352941176x + x2 = 9.411764706

The x term is 1.352941176x.  Take half its coefficient (0.676470588).
Square it (0.4576124564) and add it to both sides.

Add '0.4576124564' to each side of the equation.
1.352941176x + 0.4576124564 + x2 = 9.411764706 + 0.4576124564

Reorder the terms:
0.4576124564 + 1.352941176x + x2 = 9.411764706 + 0.4576124564

Combine like terms: 9.411764706 + 0.4576124564 = 9.8693771624
0.4576124564 + 1.352941176x + x2 = 9.8693771624

Factor a perfect square on the left side:
(x + 0.676470588)(x + 0.676470588) = 9.8693771624

Calculate the square root of the right side: 3.141556487

Break this problem into two subproblems by setting 
(x + 0.676470588) equal to 3.141556487 and -3.141556487.

Subproblem 1

x + 0.676470588 = 3.141556487 Simplifying x + 0.676470588 = 3.141556487 Reorder the terms: 0.676470588 + x = 3.141556487 Solving 0.676470588 + x = 3.141556487 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.676470588' to each side of the equation. 0.676470588 + -0.676470588 + x = 3.141556487 + -0.676470588 Combine like terms: 0.676470588 + -0.676470588 = 0.000000000 0.000000000 + x = 3.141556487 + -0.676470588 x = 3.141556487 + -0.676470588 Combine like terms: 3.141556487 + -0.676470588 = 2.465085899 x = 2.465085899 Simplifying x = 2.465085899

Subproblem 2

x + 0.676470588 = -3.141556487 Simplifying x + 0.676470588 = -3.141556487 Reorder the terms: 0.676470588 + x = -3.141556487 Solving 0.676470588 + x = -3.141556487 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.676470588' to each side of the equation. 0.676470588 + -0.676470588 + x = -3.141556487 + -0.676470588 Combine like terms: 0.676470588 + -0.676470588 = 0.000000000 0.000000000 + x = -3.141556487 + -0.676470588 x = -3.141556487 + -0.676470588 Combine like terms: -3.141556487 + -0.676470588 = -3.818027075 x = -3.818027075 Simplifying x = -3.818027075

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.465085899, -3.818027075}

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