3x^2-32x+27=0

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Solution for 3x^2-32x+27=0 equation:


Simplifying
3x2 + -32x + 27 = 0

Reorder the terms:
27 + -32x + 3x2 = 0

Solving
27 + -32x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
9 + -10.66666667x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -10.66666667x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -10.66666667x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -10.66666667x + x2 = 0 + -9
-10.66666667x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-10.66666667x + x2 = -9

The x term is -10.66666667x.  Take half its coefficient (-5.333333335).
Square it (28.44444446) and add it to both sides.

Add '28.44444446' to each side of the equation.
-10.66666667x + 28.44444446 + x2 = -9 + 28.44444446

Reorder the terms:
28.44444446 + -10.66666667x + x2 = -9 + 28.44444446

Combine like terms: -9 + 28.44444446 = 19.44444446
28.44444446 + -10.66666667x + x2 = 19.44444446

Factor a perfect square on the left side:
(x + -5.333333335)(x + -5.333333335) = 19.44444446

Calculate the square root of the right side: 4.40958552

Break this problem into two subproblems by setting 
(x + -5.333333335) equal to 4.40958552 and -4.40958552.

Subproblem 1

x + -5.333333335 = 4.40958552 Simplifying x + -5.333333335 = 4.40958552 Reorder the terms: -5.333333335 + x = 4.40958552 Solving -5.333333335 + x = 4.40958552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.333333335' to each side of the equation. -5.333333335 + 5.333333335 + x = 4.40958552 + 5.333333335 Combine like terms: -5.333333335 + 5.333333335 = 0.000000000 0.000000000 + x = 4.40958552 + 5.333333335 x = 4.40958552 + 5.333333335 Combine like terms: 4.40958552 + 5.333333335 = 9.742918855 x = 9.742918855 Simplifying x = 9.742918855

Subproblem 2

x + -5.333333335 = -4.40958552 Simplifying x + -5.333333335 = -4.40958552 Reorder the terms: -5.333333335 + x = -4.40958552 Solving -5.333333335 + x = -4.40958552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.333333335' to each side of the equation. -5.333333335 + 5.333333335 + x = -4.40958552 + 5.333333335 Combine like terms: -5.333333335 + 5.333333335 = 0.000000000 0.000000000 + x = -4.40958552 + 5.333333335 x = -4.40958552 + 5.333333335 Combine like terms: -4.40958552 + 5.333333335 = 0.923747815 x = 0.923747815 Simplifying x = 0.923747815

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.742918855, 0.923747815}

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