(4x+3y)(7x-y)=n

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Solution for (4x+3y)(7x-y)=n equation: 


Simplifying
(4x + 3y)(7x + -1y) = n

Multiply (4x + 3y) * (7x + -1y)
(4x * (7x + -1y) + 3y * (7x + -1y)) = n
((7x * 4x + -1y * 4x) + 3y * (7x + -1y)) = n

Reorder the terms:
((-4xy + 28x2) + 3y * (7x + -1y)) = n
((-4xy + 28x2) + 3y * (7x + -1y)) = n
(-4xy + 28x2 + (7x * 3y + -1y * 3y)) = n
(-4xy + 28x2 + (21xy + -3y2)) = n

Reorder the terms:
(-4xy + 21xy + 28x2 + -3y2) = n

Combine like terms: -4xy + 21xy = 17xy
(17xy + 28x2 + -3y2) = n

Solving
17xy + 28x2 + -3y2 = n

Solving for variable 'x'.

Reorder the terms:
-1n + 17xy + 28x2 + -3y2 = n + -1n

Combine like terms: n + -1n = 0
-1n + 17xy + 28x2 + -3y2 = 0

The solution to this equation could not be determined.

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