Question

How do you factor `xy + x + 3y + 3`?

Answer 1

Factor by grouping:

`xy+x+3y+3 = (x+3)(y+1)`

Explanation:

`xy+x+3y+3`

`= (xy+x)+(3y+3)`

`=x(y+1)+3(y+1)`

`=(x+3)(y+1)`