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Sagot :

Bonjour


développe et réduis :


A = 3x - 5 + 5(2x - 2)

A = 3x - 5 + 10x - 10

A = 13x - 15


B = 4y - 6(3 - 2y) + 4(y - 1)

B = 4y - 18 + 12y + 4y - 4

B = 20y - 22


C = 5t^2 + 3(2t - 3) - 2t(t - 5)

C = 5t^2 + 6t - 9 - 2t^2 + 10t

C = 3t^2 + 16t - 9

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