Réponse :
Explications étape par étape
3)Programme 1
On choisit x
x+6
-2(x+6)
-2(x+6) + 4x
A(x) = -2(x+6) + 4x = -2x -12 +4x = 2x -12 = 2(x-6)
4)Programme 2
x-3
4(x-3)
4(x-3) - 2x
B(x) = 4(x-3) -2x = 4x -12 -2x = 2x -12 = 2(x-6)
5) On a bien A(x) = B(x)
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Réponse :
Explications étape par étape
3)Programme 1
On choisit x
x+6
-2(x+6)
-2(x+6) + 4x
A(x) = -2(x+6) + 4x = -2x -12 +4x = 2x -12 = 2(x-6)
4)Programme 2
On choisit x
x-3
4(x-3)
4(x-3) - 2x
B(x) = 4(x-3) -2x = 4x -12 -2x = 2x -12 = 2(x-6)
5) On a bien A(x) = B(x)