18x^2-95x+93.5=0

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Solution for 18x^2-95x+93.5=0 equation:


Simplifying
18x2 + -95x + 93.5 = 0

Reorder the terms:
93.5 + -95x + 18x2 = 0

Solving
93.5 + -95x + 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'.
5.194444444 + -5.277777778x + x2 = 0

Move the constant term to the right:

Add '-5.194444444' to each side of the equation.
5.194444444 + -5.277777778x + -5.194444444 + x2 = 0 + -5.194444444

Reorder the terms:
5.194444444 + -5.194444444 + -5.277777778x + x2 = 0 + -5.194444444

Combine like terms: 5.194444444 + -5.194444444 = 0.000000000
0.000000000 + -5.277777778x + x2 = 0 + -5.194444444
-5.277777778x + x2 = 0 + -5.194444444

Combine like terms: 0 + -5.194444444 = -5.194444444
-5.277777778x + x2 = -5.194444444

The x term is -5.277777778x.  Take half its coefficient (-2.638888889).
Square it (6.963734568) and add it to both sides.

Add '6.963734568' to each side of the equation.
-5.277777778x + 6.963734568 + x2 = -5.194444444 + 6.963734568

Reorder the terms:
6.963734568 + -5.277777778x + x2 = -5.194444444 + 6.963734568

Combine like terms: -5.194444444 + 6.963734568 = 1.769290124
6.963734568 + -5.277777778x + x2 = 1.769290124

Factor a perfect square on the left side:
(x + -2.638888889)(x + -2.638888889) = 1.769290124

Calculate the square root of the right side: 1.330146655

Break this problem into two subproblems by setting 
(x + -2.638888889) equal to 1.330146655 and -1.330146655.

Subproblem 1

x + -2.638888889 = 1.330146655 Simplifying x + -2.638888889 = 1.330146655 Reorder the terms: -2.638888889 + x = 1.330146655 Solving -2.638888889 + x = 1.330146655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.638888889' to each side of the equation. -2.638888889 + 2.638888889 + x = 1.330146655 + 2.638888889 Combine like terms: -2.638888889 + 2.638888889 = 0.000000000 0.000000000 + x = 1.330146655 + 2.638888889 x = 1.330146655 + 2.638888889 Combine like terms: 1.330146655 + 2.638888889 = 3.969035544 x = 3.969035544 Simplifying x = 3.969035544

Subproblem 2

x + -2.638888889 = -1.330146655 Simplifying x + -2.638888889 = -1.330146655 Reorder the terms: -2.638888889 + x = -1.330146655 Solving -2.638888889 + x = -1.330146655 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.638888889' to each side of the equation. -2.638888889 + 2.638888889 + x = -1.330146655 + 2.638888889 Combine like terms: -2.638888889 + 2.638888889 = 0.000000000 0.000000000 + x = -1.330146655 + 2.638888889 x = -1.330146655 + 2.638888889 Combine like terms: -1.330146655 + 2.638888889 = 1.308742234 x = 1.308742234 Simplifying x = 1.308742234

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.969035544, 1.308742234}

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