12.11 Using the Zero Product Property #1-6

x=0,3

x=0,-3

x=0,1/3

z=0,6

z=0,-6

z=0,1/6

y=2,7

y=0,-7

y=0,7

x=0,-1

x=4,1

x=0,1

y=2,-2

y=1/2,-1/2

y=4

a=4

a=4,-4

a=8