12x^2+29x-17=0

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Solution for 12x^2+29x-17=0 equation:


Simplifying
12x2 + 29x + -17 = 0

Reorder the terms:
-17 + 29x + 12x2 = 0

Solving
-17 + 29x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
-1.416666667 + 2.416666667x + x2 = 0

Move the constant term to the right:

Add '1.416666667' to each side of the equation.
-1.416666667 + 2.416666667x + 1.416666667 + x2 = 0 + 1.416666667

Reorder the terms:
-1.416666667 + 1.416666667 + 2.416666667x + x2 = 0 + 1.416666667

Combine like terms: -1.416666667 + 1.416666667 = 0.000000000
0.000000000 + 2.416666667x + x2 = 0 + 1.416666667
2.416666667x + x2 = 0 + 1.416666667

Combine like terms: 0 + 1.416666667 = 1.416666667
2.416666667x + x2 = 1.416666667

The x term is 2.416666667x.  Take half its coefficient (1.208333334).
Square it (1.460069446) and add it to both sides.

Add '1.460069446' to each side of the equation.
2.416666667x + 1.460069446 + x2 = 1.416666667 + 1.460069446

Reorder the terms:
1.460069446 + 2.416666667x + x2 = 1.416666667 + 1.460069446

Combine like terms: 1.416666667 + 1.460069446 = 2.876736113
1.460069446 + 2.416666667x + x2 = 2.876736113

Factor a perfect square on the left side:
(x + 1.208333334)(x + 1.208333334) = 2.876736113

Calculate the square root of the right side: 1.69609437

Break this problem into two subproblems by setting 
(x + 1.208333334) equal to 1.69609437 and -1.69609437.

Subproblem 1

x + 1.208333334 = 1.69609437 Simplifying x + 1.208333334 = 1.69609437 Reorder the terms: 1.208333334 + x = 1.69609437 Solving 1.208333334 + x = 1.69609437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.208333334' to each side of the equation. 1.208333334 + -1.208333334 + x = 1.69609437 + -1.208333334 Combine like terms: 1.208333334 + -1.208333334 = 0.000000000 0.000000000 + x = 1.69609437 + -1.208333334 x = 1.69609437 + -1.208333334 Combine like terms: 1.69609437 + -1.208333334 = 0.487761036 x = 0.487761036 Simplifying x = 0.487761036

Subproblem 2

x + 1.208333334 = -1.69609437 Simplifying x + 1.208333334 = -1.69609437 Reorder the terms: 1.208333334 + x = -1.69609437 Solving 1.208333334 + x = -1.69609437 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.208333334' to each side of the equation. 1.208333334 + -1.208333334 + x = -1.69609437 + -1.208333334 Combine like terms: 1.208333334 + -1.208333334 = 0.000000000 0.000000000 + x = -1.69609437 + -1.208333334 x = -1.69609437 + -1.208333334 Combine like terms: -1.69609437 + -1.208333334 = -2.904427704 x = -2.904427704 Simplifying x = -2.904427704

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.487761036, -2.904427704}

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