Answer :


all you have to do is find the values of x that get y=0.  Basically with something like (x+2)(x+3)=y  x can equal -2 and -3.  If you plug in -3 into x you get -1x0 which is 0 and if you plug in -2 you get 0x1 which is also 0.  Use the same process for the other problems