-12x-14y+1xy+18=? −12x−14y+1xy+18=?

1. (x+4)(2-y)8xy(x+4)(2−y)8xy
2. (x-2)(y-4)8xy
3. (x-4)(y-2)8xy
4. (x+2)(4-y)5xy

Answer: (x-4)(y-2)8xy

Explanation: