(3x^2+12x)+(3y^2-18y)=21

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Solution for (3x^2+12x)+(3y^2-18y)=21 equation: 


Simplifying
(3x2 + 12x) + (3y2 + -18y) = 21

Reorder the terms:
(12x + 3x2) + (3y2 + -18y) = 21

Remove parenthesis around (12x + 3x2)
12x + 3x2 + (3y2 + -18y) = 21

Reorder the terms:
12x + 3x2 + (-18y + 3y2) = 21

Remove parenthesis around (-18y + 3y2)
12x + 3x2 + -18y + 3y2 = 21

Solving
12x + 3x2 + -18y + 3y2 = 21

Solving for variable 'x'.

Reorder the terms:
-21 + 12x + 3x2 + -18y + 3y2 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + 12x + 3x2 + -18y + 3y2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-7 + 4x + x2 + -6y + y2) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(-7 + 4x + x2 + -6y + y2)' equal to zero and attempt to solve:

Simplifying
-7 + 4x + x2 + -6y + y2 = 0

Solving
-7 + 4x + x2 + -6y + y2 = 0

The solution to this equation could not be determined.

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

The solution to this equation could not be determined.

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