(x+y-3)(x+y+3)=

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Solution for (x+y-3)(x+y+3)= equation:


Simplifying
(x + y + -3)(x + y + 3) = 0

Reorder the terms:
(-3 + x + y)(x + y + 3) = 0

Reorder the terms:
(-3 + x + y)(3 + x + y) = 0

Multiply (-3 + x + y) * (3 + x + y)
(-3(3 + x + y) + x(3 + x + y) + y(3 + x + y)) = 0
((3 * -3 + x * -3 + y * -3) + x(3 + x + y) + y(3 + x + y)) = 0
((-9 + -3x + -3y) + x(3 + x + y) + y(3 + x + y)) = 0
(-9 + -3x + -3y + (3 * x + x * x + y * x) + y(3 + x + y)) = 0

Reorder the terms:
(-9 + -3x + -3y + (3x + xy + x2) + y(3 + x + y)) = 0
(-9 + -3x + -3y + (3x + xy + x2) + y(3 + x + y)) = 0
(-9 + -3x + -3y + 3x + xy + x2 + (3 * y + x * y + y * y)) = 0

Reorder the terms:
(-9 + -3x + -3y + 3x + xy + x2 + (xy + 3y + y2)) = 0
(-9 + -3x + -3y + 3x + xy + x2 + (xy + 3y + y2)) = 0

Reorder the terms:
(-9 + -3x + 3x + xy + xy + x2 + -3y + 3y + y2) = 0

Combine like terms: -3x + 3x = 0
(-9 + 0 + xy + xy + x2 + -3y + 3y + y2) = 0
(-9 + xy + xy + x2 + -3y + 3y + y2) = 0

Combine like terms: xy + xy = 2xy
(-9 + 2xy + x2 + -3y + 3y + y2) = 0

Combine like terms: -3y + 3y = 0
(-9 + 2xy + x2 + 0 + y2) = 0
(-9 + 2xy + x2 + y2) = 0

Solving
-9 + 2xy + x2 + y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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