Sagot :
Bonjour
Développer
(3x + 8)(5x – 2)
= 15x² - 6x + 40x - 16
= 15x² + 34x - 16
Factoriser
(3 x + 8)(5 x - 2) - 16 (3 x + 8).
= (3x + 8)(5x - 2 - 16)
= (3x + 8) (5x - 18)
Bonjour
Développer
(3x + 8)(5x – 2)
= 15x² - 6x + 40x - 16
= 15x² + 34x - 16
Factoriser
(3 x + 8)(5 x - 2) - 16 (3 x + 8).
= (3x + 8)(5x - 2 - 16)
= (3x + 8) (5x - 18)