Answered

C=(3x + 2)(x - 5)
D= (4x - 3)(2x + 5)

Svp j’ai vraiment besoin d’aide

Sagot :

GAME080206

Réponse:

c=3x × x + 3x × 5 +2 × x - 2 × 5

= 3x²+15x+2x-10

=3x²+17x-10

D=4x×2x+4x×5-3×2x+3×5

=8x²+20x-6x+15

=8x²+14x+15