3x^2y+9xy-33y=0

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Solution for 3x^2y+9xy-33y=0 equation: 


Simplifying
3x2y + 9xy + -33y = 0

Reorder the terms:
9xy + 3x2y + -33y = 0

Solving
9xy + 3x2y + -33y = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3y'.
3y(3x + x2 + -11) = 0

Ignore the factor 3.

Subproblem 1
Set the factor 'y' equal to zero and attempt to solve:

Simplifying
y = 0

Solving
y = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1y' to each side of the equation.
y + -1y = 0 + -1y
Remove the zero:
0 = -1y

Simplifying
0 = -1y

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(3x + x2 + -11)' equal to zero and attempt to solve:

Simplifying
3x + x2 + -11 = 0

Reorder the terms:
-11 + 3x + x2 = 0

Solving
-11 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '11' to each side of the equation.
-11 + 3x + 11 + x2 = 0 + 11

Reorder the terms:
-11 + 11 + 3x + x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 3x + x2 = 0 + 11
3x + x2 = 0 + 11

Combine like terms: 0 + 11 = 11
3x + x2 = 11

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 11 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 11 + 2.25

Combine like terms: 11 + 2.25 = 13.25
2.25 + 3x + x2 = 13.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 13.25

Calculate the square root of the right side: 3.640054945

Break this problem into two subproblems by setting 
(x + 1.5) equal to 3.640054945 and -3.640054945.


Subproblem 1
x + 1.5 = 3.640054945

Simplifying
x + 1.5 = 3.640054945

Reorder the terms:
1.5 + x = 3.640054945

Solving
1.5 + x = 3.640054945

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1.5' to each side of the equation.
1.5 + -1.5 + x = 3.640054945 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x = 3.640054945 + -1.5
x = 3.640054945 + -1.5

Combine like terms: 3.640054945 + -1.5 = 2.140054945
x = 2.140054945

Simplifying
x = 2.140054945


Subproblem 2
x + 1.5 = -3.640054945

Simplifying
x + 1.5 = -3.640054945

Reorder the terms:
1.5 + x = -3.640054945

Solving
1.5 + x = -3.640054945

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1.5' to each side of the equation.
1.5 + -1.5 + x = -3.640054945 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x = -3.640054945 + -1.5
x = -3.640054945 + -1.5

Combine like terms: -3.640054945 + -1.5 = -5.140054945
x = -5.140054945

Simplifying
x = -5.140054945


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {2.140054945, -5.140054945}
Solution
x = {2.140054945, -5.140054945}

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