6x^2-22x+20=323

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Solution for 6x^2-22x+20=323 equation:


Simplifying
6x2 + -22x + 20 = 323

Reorder the terms:
20 + -22x + 6x2 = 323

Solving
20 + -22x + 6x2 = 323

Solving for variable 'x'.

Reorder the terms:
20 + -323 + -22x + 6x2 = 323 + -323

Combine like terms: 20 + -323 = -303
-303 + -22x + 6x2 = 323 + -323

Combine like terms: 323 + -323 = 0
-303 + -22x + 6x2 = 0

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

Divide each side by '6'.
-50.5 + -3.666666667x + x2 = 0

Move the constant term to the right:

Add '50.5' to each side of the equation.
-50.5 + -3.666666667x + 50.5 + x2 = 0 + 50.5

Reorder the terms:
-50.5 + 50.5 + -3.666666667x + x2 = 0 + 50.5

Combine like terms: -50.5 + 50.5 = 0.0
0.0 + -3.666666667x + x2 = 0 + 50.5
-3.666666667x + x2 = 0 + 50.5

Combine like terms: 0 + 50.5 = 50.5
-3.666666667x + x2 = 50.5

The x term is -3.666666667x.  Take half its coefficient (-1.833333334).
Square it (3.361111114) and add it to both sides.

Add '3.361111114' to each side of the equation.
-3.666666667x + 3.361111114 + x2 = 50.5 + 3.361111114

Reorder the terms:
3.361111114 + -3.666666667x + x2 = 50.5 + 3.361111114

Combine like terms: 50.5 + 3.361111114 = 53.861111114
3.361111114 + -3.666666667x + x2 = 53.861111114

Factor a perfect square on the left side:
(x + -1.833333334)(x + -1.833333334) = 53.861111114

Calculate the square root of the right side: 7.339012952

Break this problem into two subproblems by setting 
(x + -1.833333334) equal to 7.339012952 and -7.339012952.

Subproblem 1

x + -1.833333334 = 7.339012952 Simplifying x + -1.833333334 = 7.339012952 Reorder the terms: -1.833333334 + x = 7.339012952 Solving -1.833333334 + x = 7.339012952 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.833333334' to each side of the equation. -1.833333334 + 1.833333334 + x = 7.339012952 + 1.833333334 Combine like terms: -1.833333334 + 1.833333334 = 0.000000000 0.000000000 + x = 7.339012952 + 1.833333334 x = 7.339012952 + 1.833333334 Combine like terms: 7.339012952 + 1.833333334 = 9.172346286 x = 9.172346286 Simplifying x = 9.172346286

Subproblem 2

x + -1.833333334 = -7.339012952 Simplifying x + -1.833333334 = -7.339012952 Reorder the terms: -1.833333334 + x = -7.339012952 Solving -1.833333334 + x = -7.339012952 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.833333334' to each side of the equation. -1.833333334 + 1.833333334 + x = -7.339012952 + 1.833333334 Combine like terms: -1.833333334 + 1.833333334 = 0.000000000 0.000000000 + x = -7.339012952 + 1.833333334 x = -7.339012952 + 1.833333334 Combine like terms: -7.339012952 + 1.833333334 = -5.505679618 x = -5.505679618 Simplifying x = -5.505679618

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.172346286, -5.505679618}

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