Minta tolong dijawab yaa makasih Yg nomer 2,4,5 saja

Jawaban:

2. F(x) = (4x² + 5x -1) (3x + 2)

= 12x³ + 15x² – 3x + 8x² + 10x – 2

= 12x³ + 15x² + 8x² – 3x + 10x – 2

= 12x³ + 23x² + 7x – 2