18x^2-59x+33=0

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Solution for 18x^2-59x+33=0 equation:


Simplifying
18x2 + -59x + 33 = 0

Reorder the terms:
33 + -59x + 18x2 = 0

Solving
33 + -59x + 18x2 = 0

Solving for variable 'x'.

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

Divide each side by '18'.
1.833333333 + -3.277777778x + x2 = 0

Move the constant term to the right:

Add '-1.833333333' to each side of the equation.
1.833333333 + -3.277777778x + -1.833333333 + x2 = 0 + -1.833333333

Reorder the terms:
1.833333333 + -1.833333333 + -3.277777778x + x2 = 0 + -1.833333333

Combine like terms: 1.833333333 + -1.833333333 = 0.000000000
0.000000000 + -3.277777778x + x2 = 0 + -1.833333333
-3.277777778x + x2 = 0 + -1.833333333

Combine like terms: 0 + -1.833333333 = -1.833333333
-3.277777778x + x2 = -1.833333333

The x term is -3.277777778x.  Take half its coefficient (-1.638888889).
Square it (2.685956790) and add it to both sides.

Add '2.685956790' to each side of the equation.
-3.277777778x + 2.685956790 + x2 = -1.833333333 + 2.685956790

Reorder the terms:
2.685956790 + -3.277777778x + x2 = -1.833333333 + 2.685956790

Combine like terms: -1.833333333 + 2.685956790 = 0.852623457
2.685956790 + -3.277777778x + x2 = 0.852623457

Factor a perfect square on the left side:
(x + -1.638888889)(x + -1.638888889) = 0.852623457

Calculate the square root of the right side: 0.923376119

Break this problem into two subproblems by setting 
(x + -1.638888889) equal to 0.923376119 and -0.923376119.

Subproblem 1

x + -1.638888889 = 0.923376119 Simplifying x + -1.638888889 = 0.923376119 Reorder the terms: -1.638888889 + x = 0.923376119 Solving -1.638888889 + x = 0.923376119 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.638888889' to each side of the equation. -1.638888889 + 1.638888889 + x = 0.923376119 + 1.638888889 Combine like terms: -1.638888889 + 1.638888889 = 0.000000000 0.000000000 + x = 0.923376119 + 1.638888889 x = 0.923376119 + 1.638888889 Combine like terms: 0.923376119 + 1.638888889 = 2.562265008 x = 2.562265008 Simplifying x = 2.562265008

Subproblem 2

x + -1.638888889 = -0.923376119 Simplifying x + -1.638888889 = -0.923376119 Reorder the terms: -1.638888889 + x = -0.923376119 Solving -1.638888889 + x = -0.923376119 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.638888889' to each side of the equation. -1.638888889 + 1.638888889 + x = -0.923376119 + 1.638888889 Combine like terms: -1.638888889 + 1.638888889 = 0.000000000 0.000000000 + x = -0.923376119 + 1.638888889 x = -0.923376119 + 1.638888889 Combine like terms: -0.923376119 + 1.638888889 = 0.71551277 x = 0.71551277 Simplifying x = 0.71551277

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.562265008, 0.71551277}

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