(4x+6y+9)(4x+6y-9)=

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Solution for (4x+6y+9)(4x+6y-9)= equation: 


Simplifying
(4x + 6y + 9)(4x + 6y + -9) = 0

Reorder the terms:
(9 + 4x + 6y)(4x + 6y + -9) = 0

Reorder the terms:
(9 + 4x + 6y)(-9 + 4x + 6y) = 0

Multiply (9 + 4x + 6y) * (-9 + 4x + 6y)
(9(-9 + 4x + 6y) + 4x * (-9 + 4x + 6y) + 6y * (-9 + 4x + 6y)) = 0
((-9 * 9 + 4x * 9 + 6y * 9) + 4x * (-9 + 4x + 6y) + 6y * (-9 + 4x + 6y)) = 0
((-81 + 36x + 54y) + 4x * (-9 + 4x + 6y) + 6y * (-9 + 4x + 6y)) = 0
(-81 + 36x + 54y + (-9 * 4x + 4x * 4x + 6y * 4x) + 6y * (-9 + 4x + 6y)) = 0

Reorder the terms:
(-81 + 36x + 54y + (-36x + 24xy + 16x2) + 6y * (-9 + 4x + 6y)) = 0
(-81 + 36x + 54y + (-36x + 24xy + 16x2) + 6y * (-9 + 4x + 6y)) = 0
(-81 + 36x + 54y + -36x + 24xy + 16x2 + (-9 * 6y + 4x * 6y + 6y * 6y)) = 0

Reorder the terms:
(-81 + 36x + 54y + -36x + 24xy + 16x2 + (24xy + -54y + 36y2)) = 0
(-81 + 36x + 54y + -36x + 24xy + 16x2 + (24xy + -54y + 36y2)) = 0

Reorder the terms:
(-81 + 36x + -36x + 24xy + 24xy + 16x2 + 54y + -54y + 36y2) = 0

Combine like terms: 36x + -36x = 0
(-81 + 0 + 24xy + 24xy + 16x2 + 54y + -54y + 36y2) = 0
(-81 + 24xy + 24xy + 16x2 + 54y + -54y + 36y2) = 0

Combine like terms: 24xy + 24xy = 48xy
(-81 + 48xy + 16x2 + 54y + -54y + 36y2) = 0

Combine like terms: 54y + -54y = 0
(-81 + 48xy + 16x2 + 0 + 36y2) = 0
(-81 + 48xy + 16x2 + 36y2) = 0

Solving
-81 + 48xy + 16x2 + 36y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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