What it is asking is 8 times what equals 48. The best way to do this is by doing the opposite operation. 48 divided by 8 equals 6. Then if you put it in the other way you get 8(6)=48 which works out. So the answer is 6.
20002 because all of it added together and then divided by two gives you 20002.
(2y +1)(4y + 1) is the factored form
