23x^2+26x-17=0

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Solution for 23x^2+26x-17=0 equation:


Simplifying
23x2 + 26x + -17 = 0

Reorder the terms:
-17 + 26x + 23x2 = 0

Solving
-17 + 26x + 23x2 = 0

Solving for variable 'x'.

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

Divide each side by '23'.
-0.7391304348 + 1.130434783x + x2 = 0

Move the constant term to the right:

Add '0.7391304348' to each side of the equation.
-0.7391304348 + 1.130434783x + 0.7391304348 + x2 = 0 + 0.7391304348

Reorder the terms:
-0.7391304348 + 0.7391304348 + 1.130434783x + x2 = 0 + 0.7391304348

Combine like terms: -0.7391304348 + 0.7391304348 = 0.0000000000
0.0000000000 + 1.130434783x + x2 = 0 + 0.7391304348
1.130434783x + x2 = 0 + 0.7391304348

Combine like terms: 0 + 0.7391304348 = 0.7391304348
1.130434783x + x2 = 0.7391304348

The x term is 1.130434783x.  Take half its coefficient (0.5652173915).
Square it (0.3194706997) and add it to both sides.

Add '0.3194706997' to each side of the equation.
1.130434783x + 0.3194706997 + x2 = 0.7391304348 + 0.3194706997

Reorder the terms:
0.3194706997 + 1.130434783x + x2 = 0.7391304348 + 0.3194706997

Combine like terms: 0.7391304348 + 0.3194706997 = 1.0586011345
0.3194706997 + 1.130434783x + x2 = 1.0586011345

Factor a perfect square on the left side:
(x + 0.5652173915)(x + 0.5652173915) = 1.0586011345

Calculate the square root of the right side: 1.028883441

Break this problem into two subproblems by setting 
(x + 0.5652173915) equal to 1.028883441 and -1.028883441.

Subproblem 1

x + 0.5652173915 = 1.028883441 Simplifying x + 0.5652173915 = 1.028883441 Reorder the terms: 0.5652173915 + x = 1.028883441 Solving 0.5652173915 + x = 1.028883441 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5652173915' to each side of the equation. 0.5652173915 + -0.5652173915 + x = 1.028883441 + -0.5652173915 Combine like terms: 0.5652173915 + -0.5652173915 = 0.0000000000 0.0000000000 + x = 1.028883441 + -0.5652173915 x = 1.028883441 + -0.5652173915 Combine like terms: 1.028883441 + -0.5652173915 = 0.4636660495 x = 0.4636660495 Simplifying x = 0.4636660495

Subproblem 2

x + 0.5652173915 = -1.028883441 Simplifying x + 0.5652173915 = -1.028883441 Reorder the terms: 0.5652173915 + x = -1.028883441 Solving 0.5652173915 + x = -1.028883441 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5652173915' to each side of the equation. 0.5652173915 + -0.5652173915 + x = -1.028883441 + -0.5652173915 Combine like terms: 0.5652173915 + -0.5652173915 = 0.0000000000 0.0000000000 + x = -1.028883441 + -0.5652173915 x = -1.028883441 + -0.5652173915 Combine like terms: -1.028883441 + -0.5652173915 = -1.5941008325 x = -1.5941008325 Simplifying x = -1.5941008325

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.4636660495, -1.5941008325}

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