February 2021 0 79 Report
Bonjour j'ai une expression à réduire niveau 4e mais je ne suis pas sure de résultat pouvez vous m'aider svp A=(8-4) (6x-5)
=8*6x-8*5-4x*6x-4x*5
=48x-40-24x au carré -20x
=24x au carré-28x-40
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