March 2022 0 37 Report
2. réduire si possible les expressions suivantes a. A=6x+3x
B=8+2x
C=4x+5x
D=5x+3
E=4x²+2x²
F=5x+4x²

b. G=-3x×5x
H=-7×2x
I=3x(-4x)
J=-2x(-8x)
K=2(-5x²)
L=-6x²×2

c. M=2n²+5n - 4 + 6n² + 2 + 7
N=-8n² + 7 - 3n + 4n² - 2n - 5

3. developper les expressions suivantes

a. A = 4(2x -7) B=-3(-2x+5)
b. C= -x(3x + 4) F=2x(4x - 5)


Bonsoir quelqu’un pourrais m’aider je ne comprends vraiment pas merci d’avance
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