Bonjour;
A= (3x+2) ( x-5+2x +1)
= (3x+2) ( 3x -4)
B= (4x-3) ( 2x+5 +7x-1)
= (4x-3) ( 9x +4)
C= (5x-2) ( 6x+1 +4x -9)
= (5x-2) ( 10x -8)
D= (-5x+3) ( 6x+1 -4x +1)
= (-5x+3) ( 2x +2)
E = (5x-6) ( 7x+3 -x+4)
= (5x-6) ( 6x +7)
F= (3x-10) ( 7x+2 -5x +1)
= (3x-10) ( 2x +3)
