Sagot :
Bonjour,
B(x) = (2x − 1) − 3(2x + 1)(2x − 1)
on factorise:
(2x-1) ( 1- 6x -3)
= (2x-1 ) ( -6x -2)
= 12x² -4x +6x+2
= 12x²+2x +2
Bonjour,
B(x) = (2x − 1) − 3(2x + 1)(2x − 1)
on factorise:
(2x-1) ( 1- 6x -3)
= (2x-1 ) ( -6x -2)
= 12x² -4x +6x+2
= 12x²+2x +2