17x^2-10x-12=0

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Solution for 17x^2-10x-12=0 equation:


Simplifying
17x2 + -10x + -12 = 0

Reorder the terms:
-12 + -10x + 17x2 = 0

Solving
-12 + -10x + 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'.
-0.7058823529 + -0.5882352941x + x2 = 0

Move the constant term to the right:

Add '0.7058823529' to each side of the equation.
-0.7058823529 + -0.5882352941x + 0.7058823529 + x2 = 0 + 0.7058823529

Reorder the terms:
-0.7058823529 + 0.7058823529 + -0.5882352941x + x2 = 0 + 0.7058823529

Combine like terms: -0.7058823529 + 0.7058823529 = 0.0000000000
0.0000000000 + -0.5882352941x + x2 = 0 + 0.7058823529
-0.5882352941x + x2 = 0 + 0.7058823529

Combine like terms: 0 + 0.7058823529 = 0.7058823529
-0.5882352941x + x2 = 0.7058823529

The x term is -0.5882352941x.  Take half its coefficient (-0.2941176471).
Square it (0.08650519034) and add it to both sides.

Add '0.08650519034' to each side of the equation.
-0.5882352941x + 0.08650519034 + x2 = 0.7058823529 + 0.08650519034

Reorder the terms:
0.08650519034 + -0.5882352941x + x2 = 0.7058823529 + 0.08650519034

Combine like terms: 0.7058823529 + 0.08650519034 = 0.79238754324
0.08650519034 + -0.5882352941x + x2 = 0.79238754324

Factor a perfect square on the left side:
(x + -0.2941176471)(x + -0.2941176471) = 0.79238754324

Calculate the square root of the right side: 0.890161526

Break this problem into two subproblems by setting 
(x + -0.2941176471) equal to 0.890161526 and -0.890161526.

Subproblem 1

x + -0.2941176471 = 0.890161526 Simplifying x + -0.2941176471 = 0.890161526 Reorder the terms: -0.2941176471 + x = 0.890161526 Solving -0.2941176471 + x = 0.890161526 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2941176471' to each side of the equation. -0.2941176471 + 0.2941176471 + x = 0.890161526 + 0.2941176471 Combine like terms: -0.2941176471 + 0.2941176471 = 0.0000000000 0.0000000000 + x = 0.890161526 + 0.2941176471 x = 0.890161526 + 0.2941176471 Combine like terms: 0.890161526 + 0.2941176471 = 1.1842791731 x = 1.1842791731 Simplifying x = 1.1842791731

Subproblem 2

x + -0.2941176471 = -0.890161526 Simplifying x + -0.2941176471 = -0.890161526 Reorder the terms: -0.2941176471 + x = -0.890161526 Solving -0.2941176471 + x = -0.890161526 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2941176471' to each side of the equation. -0.2941176471 + 0.2941176471 + x = -0.890161526 + 0.2941176471 Combine like terms: -0.2941176471 + 0.2941176471 = 0.0000000000 0.0000000000 + x = -0.890161526 + 0.2941176471 x = -0.890161526 + 0.2941176471 Combine like terms: -0.890161526 + 0.2941176471 = -0.5960438789 x = -0.5960438789 Simplifying x = -0.5960438789

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.1842791731, -0.5960438789}

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