Answer this small question for brainiest

The product of two negative rational numbers is always zero sometimes zero never zero

Which of the choices shown could be used to prove that aacp=abcp ?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.