-3.6X^2+2.3X+3.2=0

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Solution for -3.6X^2+2.3X+3.2=0 equation:


Simplifying
-3.6X2 + 2.3X + 3.2 = 0

Reorder the terms:
3.2 + 2.3X + -3.6X2 = 0

Solving
3.2 + 2.3X + -3.6X2 = 0

Solving for variable 'X'.

Begin completing the square.  Divide all terms by
-3.6 the coefficient of the squared term: 

Divide each side by '-3.6'.
-0.8888888889 + -0.6388888889X + X2 = 0

Move the constant term to the right:

Add '0.8888888889' to each side of the equation.
-0.8888888889 + -0.6388888889X + 0.8888888889 + X2 = 0 + 0.8888888889

Reorder the terms:
-0.8888888889 + 0.8888888889 + -0.6388888889X + X2 = 0 + 0.8888888889

Combine like terms: -0.8888888889 + 0.8888888889 = 0.0000000000
0.0000000000 + -0.6388888889X + X2 = 0 + 0.8888888889
-0.6388888889X + X2 = 0 + 0.8888888889

Combine like terms: 0 + 0.8888888889 = 0.8888888889
-0.6388888889X + X2 = 0.8888888889

The X term is -0.6388888889X.  Take half its coefficient (-0.3194444445).
Square it (0.1020447531) and add it to both sides.

Add '0.1020447531' to each side of the equation.
-0.6388888889X + 0.1020447531 + X2 = 0.8888888889 + 0.1020447531

Reorder the terms:
0.1020447531 + -0.6388888889X + X2 = 0.8888888889 + 0.1020447531

Combine like terms: 0.8888888889 + 0.1020447531 = 0.990933642
0.1020447531 + -0.6388888889X + X2 = 0.990933642

Factor a perfect square on the left side:
(X + -0.3194444445)(X + -0.3194444445) = 0.990933642

Calculate the square root of the right side: 0.995456499

Break this problem into two subproblems by setting 
(X + -0.3194444445) equal to 0.995456499 and -0.995456499.

Subproblem 1

X + -0.3194444445 = 0.995456499 Simplifying X + -0.3194444445 = 0.995456499 Reorder the terms: -0.3194444445 + X = 0.995456499 Solving -0.3194444445 + X = 0.995456499 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.3194444445' to each side of the equation. -0.3194444445 + 0.3194444445 + X = 0.995456499 + 0.3194444445 Combine like terms: -0.3194444445 + 0.3194444445 = 0.0000000000 0.0000000000 + X = 0.995456499 + 0.3194444445 X = 0.995456499 + 0.3194444445 Combine like terms: 0.995456499 + 0.3194444445 = 1.3149009435 X = 1.3149009435 Simplifying X = 1.3149009435

Subproblem 2

X + -0.3194444445 = -0.995456499 Simplifying X + -0.3194444445 = -0.995456499 Reorder the terms: -0.3194444445 + X = -0.995456499 Solving -0.3194444445 + X = -0.995456499 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.3194444445' to each side of the equation. -0.3194444445 + 0.3194444445 + X = -0.995456499 + 0.3194444445 Combine like terms: -0.3194444445 + 0.3194444445 = 0.0000000000 0.0000000000 + X = -0.995456499 + 0.3194444445 X = -0.995456499 + 0.3194444445 Combine like terms: -0.995456499 + 0.3194444445 = -0.6760120545 X = -0.6760120545 Simplifying X = -0.6760120545

Solution

The solution to the problem is based on the solutions from the subproblems. X = {1.3149009435, -0.6760120545}

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