Question 286542
Hint: if 3, 4, and -2 are zeros, then x=3, x=4 or x=-2. Get all of the nonzero terms to the left side to get x-3=0, x-4=0, or x+2=0. Use the zero product property to then get {{{(x-3)(x-4)(x+2)=0}}}. From here, just FOIL and expand.