(x+y)(x-3y)=17

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Solution for (x+y)(x-3y)=17 equation: 


Simplifying
(x + y)(x + -3y) = 17

Multiply (x + y) * (x + -3y)
(x(x + -3y) + y(x + -3y)) = 17
((x * x + -3y * x) + y(x + -3y)) = 17

Reorder the terms:
((-3xy + x2) + y(x + -3y)) = 17
((-3xy + x2) + y(x + -3y)) = 17
(-3xy + x2 + (x * y + -3y * y)) = 17
(-3xy + x2 + (xy + -3y2)) = 17

Reorder the terms:
(-3xy + xy + x2 + -3y2) = 17

Combine like terms: -3xy + xy = -2xy
(-2xy + x2 + -3y2) = 17

Solving
-2xy + x2 + -3y2 = 17

Solving for variable 'x'.

Reorder the terms:
-17 + -2xy + x2 + -3y2 = 17 + -17

Combine like terms: 17 + -17 = 0
-17 + -2xy + x2 + -3y2 = 0

The solution to this equation could not be determined.

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