Answer:
4 x^3 + 8 x^2 - 23 x + 3
Explanation:
Expand the following:
(2 x - 3) (2 x^2 + 7 x - 1)
| | | | 2 x | - | 3
| | 2 x^2 | + | 7 x | - | 1
| | | | -2 x | + | 3
| | 14 x^2 | - | 21 x | + | 0
4 x^3 | - | 6 x^2 | + | 0 | + | 0
4 x^3 | + | 8 x^2 | - | 23 x | + | 3:
Answer: 4 x^3 + 8 x^2 - 23 x + 3