How do you multiply # 2z(3z+2)(z-1)-(z+7)(z-9)#?
Use the distributive property and FOIL and combine like terms to get our answer,
Let's split this into two parts. Focusing on the first part,
Next, let's use FOIL to get to its simplest form:
Let's also use FOIL to simplify the other half of our expression:
Finally, let's combine the two terms and simplify: