Sagot :

Lindsay237

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