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Sagot :

TEAMCE

Bonjour,

Réduire l'expression:

A = 4t * (3*t) + (-t) * (-3) + 5 * 2t + 6 * (-2)

A = 4t * 3t + 3t + 10t - 12

A = 12t² + 13t - 12

* = multiplication

Bonne journée.

Bonjour,

Développer:

4t×(3×t)+(-t)×(-3)+5×2t+6×(-2)= 12t²+3t+10t-12= 12t²+13t-12

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