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Sagot :

CHARLINEVILLEDIEU
Bonsoir,
D’abord *= le signe fois.
Voici les réponses :

1. 3*(x+5)
=3*x+3*5
= 3x+15

2. (2+x) *5
=5*2+5*x
=10+5x

3. 4*(x-2)
=4*x-4*2
=4x-8

4. 2*x+2*5
= 2(x+5)

5. 3*4+4*x
= 4(3+x)

6.2*x-2*4
=2(x-4)

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