Question 739918
_____quotientline___|______x_______-5______________
________________|______________________________
x+2_____________|_____x^2______-3x________7
________________|_____x^2_______2x
________________|_____0________-5x_.................7
________________|______________-5x________-10
____________________________________________
__________________________________________+17


Result of long division is {{{x-5+17/(x+2)}}}. Check carefully that the dividend is not factorable.