3.93x^2-11.35x+3.24=0

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Solution for 3.93x^2-11.35x+3.24=0 equation:


Simplifying
3.93x2 + -11.35x + 3.24 = 0

Reorder the terms:
3.24 + -11.35x + 3.93x2 = 0

Solving
3.24 + -11.35x + 3.93x2 = 0

Solving for variable 'x'.

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

Divide each side by '3.93'.
0.8244274809 + -2.888040712x + x2 = 0

Move the constant term to the right:

Add '-0.8244274809' to each side of the equation.
0.8244274809 + -2.888040712x + -0.8244274809 + x2 = 0 + -0.8244274809

Reorder the terms:
0.8244274809 + -0.8244274809 + -2.888040712x + x2 = 0 + -0.8244274809

Combine like terms: 0.8244274809 + -0.8244274809 = 0.0000000000
0.0000000000 + -2.888040712x + x2 = 0 + -0.8244274809
-2.888040712x + x2 = 0 + -0.8244274809

Combine like terms: 0 + -0.8244274809 = -0.8244274809
-2.888040712x + x2 = -0.8244274809

The x term is -2.888040712x.  Take half its coefficient (-1.444020356).
Square it (2.085194789) and add it to both sides.

Add '2.085194789' to each side of the equation.
-2.888040712x + 2.085194789 + x2 = -0.8244274809 + 2.085194789

Reorder the terms:
2.085194789 + -2.888040712x + x2 = -0.8244274809 + 2.085194789

Combine like terms: -0.8244274809 + 2.085194789 = 1.2607673081
2.085194789 + -2.888040712x + x2 = 1.2607673081

Factor a perfect square on the left side:
(x + -1.444020356)(x + -1.444020356) = 1.2607673081

Calculate the square root of the right side: 1.12283895

Break this problem into two subproblems by setting 
(x + -1.444020356) equal to 1.12283895 and -1.12283895.

Subproblem 1

x + -1.444020356 = 1.12283895 Simplifying x + -1.444020356 = 1.12283895 Reorder the terms: -1.444020356 + x = 1.12283895 Solving -1.444020356 + x = 1.12283895 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.444020356' to each side of the equation. -1.444020356 + 1.444020356 + x = 1.12283895 + 1.444020356 Combine like terms: -1.444020356 + 1.444020356 = 0.000000000 0.000000000 + x = 1.12283895 + 1.444020356 x = 1.12283895 + 1.444020356 Combine like terms: 1.12283895 + 1.444020356 = 2.566859306 x = 2.566859306 Simplifying x = 2.566859306

Subproblem 2

x + -1.444020356 = -1.12283895 Simplifying x + -1.444020356 = -1.12283895 Reorder the terms: -1.444020356 + x = -1.12283895 Solving -1.444020356 + x = -1.12283895 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.444020356' to each side of the equation. -1.444020356 + 1.444020356 + x = -1.12283895 + 1.444020356 Combine like terms: -1.444020356 + 1.444020356 = 0.000000000 0.000000000 + x = -1.12283895 + 1.444020356 x = -1.12283895 + 1.444020356 Combine like terms: -1.12283895 + 1.444020356 = 0.321181406 x = 0.321181406 Simplifying x = 0.321181406

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.566859306, 0.321181406}

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