Bonsoir,
F:
( x+6) ( 3x+5 -2)
= (x+6) ( 3x +3)
I:
(5xy² ) ( 25 x² - xy² + 2y )
K:
(x-2) ( 2x+3 -2x-2)
= (x-2) ( 1)
P:
(x-2) ( y+1 -2y -1)
= (x-2) ( -y)
