17x^2+5x-3=0

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Solution for 17x^2+5x-3=0 equation:


Simplifying
17x2 + 5x + -3 = 0

Reorder the terms:
-3 + 5x + 17x2 = 0

Solving
-3 + 5x + 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'.
-0.1764705882 + 0.2941176471x + x2 = 0

Move the constant term to the right:

Add '0.1764705882' to each side of the equation.
-0.1764705882 + 0.2941176471x + 0.1764705882 + x2 = 0 + 0.1764705882

Reorder the terms:
-0.1764705882 + 0.1764705882 + 0.2941176471x + x2 = 0 + 0.1764705882

Combine like terms: -0.1764705882 + 0.1764705882 = 0.0000000000
0.0000000000 + 0.2941176471x + x2 = 0 + 0.1764705882
0.2941176471x + x2 = 0 + 0.1764705882

Combine like terms: 0 + 0.1764705882 = 0.1764705882
0.2941176471x + x2 = 0.1764705882

The x term is 0.2941176471x.  Take half its coefficient (0.1470588236).
Square it (0.02162629760) and add it to both sides.

Add '0.02162629760' to each side of the equation.
0.2941176471x + 0.02162629760 + x2 = 0.1764705882 + 0.02162629760

Reorder the terms:
0.02162629760 + 0.2941176471x + x2 = 0.1764705882 + 0.02162629760

Combine like terms: 0.1764705882 + 0.02162629760 = 0.1980968858
0.02162629760 + 0.2941176471x + x2 = 0.1980968858

Factor a perfect square on the left side:
(x + 0.1470588236)(x + 0.1470588236) = 0.1980968858

Calculate the square root of the right side: 0.445080763

Break this problem into two subproblems by setting 
(x + 0.1470588236) equal to 0.445080763 and -0.445080763.

Subproblem 1

x + 0.1470588236 = 0.445080763 Simplifying x + 0.1470588236 = 0.445080763 Reorder the terms: 0.1470588236 + x = 0.445080763 Solving 0.1470588236 + x = 0.445080763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1470588236' to each side of the equation. 0.1470588236 + -0.1470588236 + x = 0.445080763 + -0.1470588236 Combine like terms: 0.1470588236 + -0.1470588236 = 0.0000000000 0.0000000000 + x = 0.445080763 + -0.1470588236 x = 0.445080763 + -0.1470588236 Combine like terms: 0.445080763 + -0.1470588236 = 0.2980219394 x = 0.2980219394 Simplifying x = 0.2980219394

Subproblem 2

x + 0.1470588236 = -0.445080763 Simplifying x + 0.1470588236 = -0.445080763 Reorder the terms: 0.1470588236 + x = -0.445080763 Solving 0.1470588236 + x = -0.445080763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1470588236' to each side of the equation. 0.1470588236 + -0.1470588236 + x = -0.445080763 + -0.1470588236 Combine like terms: 0.1470588236 + -0.1470588236 = 0.0000000000 0.0000000000 + x = -0.445080763 + -0.1470588236 x = -0.445080763 + -0.1470588236 Combine like terms: -0.445080763 + -0.1470588236 = -0.5921395866 x = -0.5921395866 Simplifying x = -0.5921395866

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2980219394, -0.5921395866}

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