Sagot :
Bonsoir,
Réduire si possible :
C = -7x²+4x-3-3x²-9x-6
C = -10x²+4x-3-9x-6
C = -10x²-5x-3-6
C = -10x²-5x-9
D = 6x²+2x-3-8x²-8x-12
D = -2x²+2x-3-8x-12
D = -2x²-6x-3-12
D = -2x²-6x-15
Bonne soirée.
Bonsoir,
Réduire si possible :
C = -7x²+4x-3-3x²-9x-6
C = -10x²+4x-3-9x-6
C = -10x²-5x-3-6
C = -10x²-5x-9
D = 6x²+2x-3-8x²-8x-12
D = -2x²+2x-3-8x-12
D = -2x²-6x-3-12
D = -2x²-6x-15
Bonne soirée.