17x^2+12x-2=0

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Solution for 17x^2+12x-2=0 equation:


Simplifying
17x2 + 12x + -2 = 0

Reorder the terms:
-2 + 12x + 17x2 = 0

Solving
-2 + 12x + 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'.
-0.1176470588 + 0.7058823529x + x2 = 0

Move the constant term to the right:

Add '0.1176470588' to each side of the equation.
-0.1176470588 + 0.7058823529x + 0.1176470588 + x2 = 0 + 0.1176470588

Reorder the terms:
-0.1176470588 + 0.1176470588 + 0.7058823529x + x2 = 0 + 0.1176470588

Combine like terms: -0.1176470588 + 0.1176470588 = 0.0000000000
0.0000000000 + 0.7058823529x + x2 = 0 + 0.1176470588
0.7058823529x + x2 = 0 + 0.1176470588

Combine like terms: 0 + 0.1176470588 = 0.1176470588
0.7058823529x + x2 = 0.1176470588

The x term is 0.7058823529x.  Take half its coefficient (0.3529411765).
Square it (0.1245674741) and add it to both sides.

Add '0.1245674741' to each side of the equation.
0.7058823529x + 0.1245674741 + x2 = 0.1176470588 + 0.1245674741

Reorder the terms:
0.1245674741 + 0.7058823529x + x2 = 0.1176470588 + 0.1245674741

Combine like terms: 0.1176470588 + 0.1245674741 = 0.2422145329
0.1245674741 + 0.7058823529x + x2 = 0.2422145329

Factor a perfect square on the left side:
(x + 0.3529411765)(x + 0.3529411765) = 0.2422145329

Calculate the square root of the right side: 0.492152957

Break this problem into two subproblems by setting 
(x + 0.3529411765) equal to 0.492152957 and -0.492152957.

Subproblem 1

x + 0.3529411765 = 0.492152957 Simplifying x + 0.3529411765 = 0.492152957 Reorder the terms: 0.3529411765 + x = 0.492152957 Solving 0.3529411765 + x = 0.492152957 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3529411765' to each side of the equation. 0.3529411765 + -0.3529411765 + x = 0.492152957 + -0.3529411765 Combine like terms: 0.3529411765 + -0.3529411765 = 0.0000000000 0.0000000000 + x = 0.492152957 + -0.3529411765 x = 0.492152957 + -0.3529411765 Combine like terms: 0.492152957 + -0.3529411765 = 0.1392117805 x = 0.1392117805 Simplifying x = 0.1392117805

Subproblem 2

x + 0.3529411765 = -0.492152957 Simplifying x + 0.3529411765 = -0.492152957 Reorder the terms: 0.3529411765 + x = -0.492152957 Solving 0.3529411765 + x = -0.492152957 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3529411765' to each side of the equation. 0.3529411765 + -0.3529411765 + x = -0.492152957 + -0.3529411765 Combine like terms: 0.3529411765 + -0.3529411765 = 0.0000000000 0.0000000000 + x = -0.492152957 + -0.3529411765 x = -0.492152957 + -0.3529411765 Combine like terms: -0.492152957 + -0.3529411765 = -0.8450941335 x = -0.8450941335 Simplifying x = -0.8450941335

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.1392117805, -0.8450941335}

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