lea4427 lea4427 09-06-2021 Mathematics contestada Which one of the following expressions is the factored form of 3x(y + 1) + 4z(y+ 1)? a) (3x+y)(42+1) b) (3x + 1)(4x + y) c) (3xy + 1)(4x + 1) d) (3x + 4z)( + 1)