Verified answer

Bonjour,  

Double distributivité:

(4x + 6) (5x -3)

4x*5x = 20x²

4x*-3 = -12x

6*5x= 30x

6*-3= -18

20x² -12x +30x -18 = 20x² +18x -18

Verified answer

Bonjour,

(4x + 6) (5x -3)

= 20x² + 30x - 12x - 18

= 20x² + 18x -18

voila pour toi :)