March 2021 0 86 Report
Bonjour, Factoriser en utilisant l'identité remarquable :

A au carré - B au carré= (a + b)(a - b)

A = (x + 1) au carré - 4
B = (x + 2) au carré - 9
C = (2x + 1) au carré – 25
D = 16 - (3x + 2) au carré
E = 36 - (4 – 3x) au carré

Merci.​
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