Sagot :
Réponse:
Bonsoir
Explications étape par étape:
A = (4x+3) (3x-2)
= 12x²-8x+9x-6
= 12x²+x-6
B = (y - 5) (2y-3) -2 (y + 7)
= 2y²-3y-10y+15-2y-14
= 2y²-15y+1
C = (5x + 3 ) 2
= 10x+6
A= 12X2 -8X +9X -6
= 12X2 +X- 6
B= 2Y2-3Y-10Y+15
= 2Y2-13Y+15
C= 10X +6
= 12X2 +X- 6
B= 2Y2-3Y-10Y+15
= 2Y2-13Y+15
C= 10X +6