5x^2-4xy+8y^2-9-4x^2+5xy+3y^2-7=

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Solution for 5x^2-4xy+8y^2-9-4x^2+5xy+3y^2-7= equation: 


Simplifying
5x2 + -4xy + 8y2 + -9 + -4x2 + 5xy + 3y2 + -7 = 0

Reorder the terms:
-9 + -7 + -4xy + 5xy + 5x2 + -4x2 + 8y2 + 3y2 = 0

Combine like terms: -9 + -7 = -16
-16 + -4xy + 5xy + 5x2 + -4x2 + 8y2 + 3y2 = 0

Combine like terms: -4xy + 5xy = 1xy
-16 + 1xy + 5x2 + -4x2 + 8y2 + 3y2 = 0

Combine like terms: 5x2 + -4x2 = 1x2
-16 + 1xy + 1x2 + 8y2 + 3y2 = 0

Combine like terms: 8y2 + 3y2 = 11y2
-16 + 1xy + 1x2 + 11y2 = 0

Solving
-16 + 1xy + 1x2 + 11y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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