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MATHYS80
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es
C. (2x
21 Développer les expressions suivantes.
B = 3(x - 2)
D= -3(x – 7)
F= (5x - 1) x x
25
A = 2(7 + 8)
C=-4(8 + 2x)
F = - 4x(3x - 2)
a. 99

Es C 2x 21 Développer Les Expressions Suivantes B 3x 2 D 3x 7 F 5x 1 X X 25 A 27 8 C48 2x F 4x3x 2 A 99 class=

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LEAFE

Bonjour,

A = 2(x+8)

A = 2 * x + 2 * 8

A = 2x + 16

B = 3(x -2)

B = 3 * x + 3 * -2

B = 3x - 6

C = -4(8 + 2x)

C = - 4 * 8 - 4 * 2x

C = - 32 - 8x

C = - 8x - 32

D = -3(x - 7)

D = -3 * x - 3 * (-7)

D = -3x + 21

E = -4x(3x -2)

E = -4x * 3x -4x * (-2)

E = -12x² + 8x

F = (5x -1) * x

F = 5x * x - 1 * x

F = 5x² - x

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