hasil dari (3x - 8) (4x + 1)

(3x - 8)(4x + 1)
= 3x(4x + 1) - 8(4x + 1)
= 12x² + 3x - 32x - 8
= 12x² - 29x - 8 ✔

[tex]12 {x}^{2} +3x - 32x - 8 \\ 12 {x}^{2} - 29x - 8[/tex]