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4LEX
Answered

Réduire les expressions suivantes :

A = x × 2x + 4 × 2 + 3x × 4

B = 2 × 4x - 4x × 2x + 8 × (-x)

C = 3 × (-2) + 4x × (-1) + 2x × 6x - 4 × (-3x)

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