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Answers by Marnie D.

(2z-2)(z+3)=0 (answer)

There are probably a couple of ways to do this, but I chose multiplying it out in polynomial form to start with. (2z-2)(z+3)=0 ( I think it's the distributive law(I know it's one of the laws...) for the multiplication that's done, to make it a polynomial.) 2z(z)...