Question

Divide 36xy-39y over 3y

Answer 1

(36xy-39y)/3y=(36xy)/3y - 39y/3y=(3y)(12x) / 3y - (3y)(13)/3y=12x-13.

Answer: 12x-13

Answer 2

$\dfrac{ 36xy-39y}{3}$ 

$Factor \ out \ the \ common \ term \ 3y$ 

$\dfrac{3y(12x-13)}{3}$ 

$y(12x-13)$    $Cancel \ 3$