Answer:
1) 6
2) -4
3) -51
4) 72
Step-by-step explanation:
(3x-8)(2x^2+4x-9)
When you multiply everyting, you should get this:
3x^3+12x^2-27x-16x^2-24x+72 = 3x^3-4x^2-51x+72
