4/(x-3) + 2/(x²-9) = 1/(x+3)
4/(x-3) + 2/(x+3)(x-3) = 1/(x+3)
(4(x+3)+2)/(x+3)(x-3) = 1/(x+3)
(4x+12+2)/(x-3) = 1
4x +14 = x - 3
4x - x = -14-3
3x = -17
x = -17/3