Sagot :

Bonjour,

Factoriser l'expression : D = (2x-7) ( 7x-2)-(2x-7)(x+5)

D = (2x - 7) ( 7x - 2) - (2x - 7) (x + 5)

D = (2x - 7) (7x - 2) (x + 5)

D = (2x − 7) (6x − 7)