Question

Factor the expression.
3x(y+4) - 2y(x+4)
(First right answer gets a medal) :))

Answer 1

x-8!=0, y = -(12 x)/(x-8)
Reduce[-8 y + x (12 + y) == 0, {x, y}]
{-8 + x != 0, y == (-12 x)/(-8 + x)}