Answer:
A.
[tex]3 {x}^{3} + {x}^{2} - 22x + 20[/tex]
Step-by-step explanation:
[tex](3x - 5)( {x}^{2} + 2x - 4) [/tex]
[tex] = 3 {x}^{3} + 6 {x}^{2} - 12x - 5 {x }^{2} - 10x + 20 [/tex]
[tex] = 3 {x}^{3} + {x}^{2} - 22x + 20[/tex]