Bonsoir,
A= 11x-3(7x+4)
A= 11x - 21x -12
A= -10x - 12
B= -5(3x+2)-4(7x-3)
B= (-15x -10) - (28x -12)
B= -15x -10 -28x + 12
B= -43x +2
C= (2x-3)(5x+4)
C= 10x² +8x -15x -12
C= 10x² -7x -12
D= (3x-4)(-5x-2)
D= -15x² -6x +20x +8
D= -15x²+14x +8
Bonne soirée ✅