H = -31-42 - 2 Exercice 4
Développer et réduire les expressions suivantes :
A = (-83 - 9) (5x + 6)
B=(-6 x-7)(-51 – 7)
C = (-9x - 3)(-10% - 4)
D= (-2x - 1)(-7x+3)
E= (-32-7)(-5x + 5)
F = (2x - 8) (3x - 3)
Exercice 5
Réduire, si possible, les expressions suivantes :
1. A = -2n2 x (-9)
2. B = -97 x 6y
3. C= -2 t x 5
4. D = -7.2 x (-2)
5. E= 7 s - 4s
6. F=3 X 482
7. G = 92 x 2
8. H = 7 x 622
9. I = -6t-4t
Exercice 6
Développer et réduire les expressions suivantes :
A = -6 6 2 - 10)
B = (x + 7) (-8x)
C = (-8x+6) (-6)
D=(-10% +9) x 6 x
E= -3(93 + 10)
F=9(4x - 10)
G=(-82-2) 100
H = 9(41 - 2)​
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