Question

How do you factor Xy+5x+3y+15?

Answer 1

`xy+5x+3y+15`

Ans: `(x+3) (y+5)`

Explanation:

`xy+5x+3y+15`

Group them; `(xy+5x) (3y+15)`

Pull out the common factor; `x (y+5)+ 3 (y+5)`

Final Answer `= ( x+3) (y+5)`