February 2021 0 62 Report
Bonjour pouvez-vous m’aider s’il vous plaît merci d’avance ! Factoriser
a) 25-x² =
b) 4x²-49 =
c) 0,01-b² =
d) (x+2)²-1 =
e) 4-(2x-1)² =

(Il s’agit de factoriser, pas de développer)

Exemple : x²-100=x²-10²=(x-10)(x+10)
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