23x^2+32x-20=0

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Solution for 23x^2+32x-20=0 equation:


Simplifying
23x2 + 32x + -20 = 0

Reorder the terms:
-20 + 32x + 23x2 = 0

Solving
-20 + 32x + 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'.
-0.8695652174 + 1.391304348x + x2 = 0

Move the constant term to the right:

Add '0.8695652174' to each side of the equation.
-0.8695652174 + 1.391304348x + 0.8695652174 + x2 = 0 + 0.8695652174

Reorder the terms:
-0.8695652174 + 0.8695652174 + 1.391304348x + x2 = 0 + 0.8695652174

Combine like terms: -0.8695652174 + 0.8695652174 = 0.0000000000
0.0000000000 + 1.391304348x + x2 = 0 + 0.8695652174
1.391304348x + x2 = 0 + 0.8695652174

Combine like terms: 0 + 0.8695652174 = 0.8695652174
1.391304348x + x2 = 0.8695652174

The x term is 1.391304348x.  Take half its coefficient (0.695652174).
Square it (0.4839319472) and add it to both sides.

Add '0.4839319472' to each side of the equation.
1.391304348x + 0.4839319472 + x2 = 0.8695652174 + 0.4839319472

Reorder the terms:
0.4839319472 + 1.391304348x + x2 = 0.8695652174 + 0.4839319472

Combine like terms: 0.8695652174 + 0.4839319472 = 1.3534971646
0.4839319472 + 1.391304348x + x2 = 1.3534971646

Factor a perfect square on the left side:
(x + 0.695652174)(x + 0.695652174) = 1.3534971646

Calculate the square root of the right side: 1.163398971

Break this problem into two subproblems by setting 
(x + 0.695652174) equal to 1.163398971 and -1.163398971.

Subproblem 1

x + 0.695652174 = 1.163398971 Simplifying x + 0.695652174 = 1.163398971 Reorder the terms: 0.695652174 + x = 1.163398971 Solving 0.695652174 + x = 1.163398971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.695652174' to each side of the equation. 0.695652174 + -0.695652174 + x = 1.163398971 + -0.695652174 Combine like terms: 0.695652174 + -0.695652174 = 0.000000000 0.000000000 + x = 1.163398971 + -0.695652174 x = 1.163398971 + -0.695652174 Combine like terms: 1.163398971 + -0.695652174 = 0.467746797 x = 0.467746797 Simplifying x = 0.467746797

Subproblem 2

x + 0.695652174 = -1.163398971 Simplifying x + 0.695652174 = -1.163398971 Reorder the terms: 0.695652174 + x = -1.163398971 Solving 0.695652174 + x = -1.163398971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.695652174' to each side of the equation. 0.695652174 + -0.695652174 + x = -1.163398971 + -0.695652174 Combine like terms: 0.695652174 + -0.695652174 = 0.000000000 0.000000000 + x = -1.163398971 + -0.695652174 x = -1.163398971 + -0.695652174 Combine like terms: -1.163398971 + -0.695652174 = -1.859051145 x = -1.859051145 Simplifying x = -1.859051145

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.467746797, -1.859051145}

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