=x^2+6xy+9y^2-16

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Solution for =x^2+6xy+9y^2-16 equation: 


Simplifying
0 = x2 + 6xy + 9y2 + -16

Reorder the terms:
0 = -16 + 6xy + x2 + 9y2

Solving
0 = -16 + 6xy + x2 + 9y2

Solving for variable 'x'.

Combine like terms: 0 + 16 = 16
16 + -6xy + -1x2 + -9y2 = -16 + 6xy + x2 + 9y2 + 16 + -6xy + -1x2 + -9y2

Reorder the terms:
16 + -6xy + -1x2 + -9y2 = -16 + 16 + 6xy + -6xy + x2 + -1x2 + 9y2 + -9y2

Combine like terms: -16 + 16 = 0
16 + -6xy + -1x2 + -9y2 = 0 + 6xy + -6xy + x2 + -1x2 + 9y2 + -9y2
16 + -6xy + -1x2 + -9y2 = 6xy + -6xy + x2 + -1x2 + 9y2 + -9y2

Combine like terms: 6xy + -6xy = 0
16 + -6xy + -1x2 + -9y2 = 0 + x2 + -1x2 + 9y2 + -9y2
16 + -6xy + -1x2 + -9y2 = x2 + -1x2 + 9y2 + -9y2

Combine like terms: x2 + -1x2 = 0
16 + -6xy + -1x2 + -9y2 = 0 + 9y2 + -9y2
16 + -6xy + -1x2 + -9y2 = 9y2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
16 + -6xy + -1x2 + -9y2 = 0

The solution to this equation could not be determined.

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