February 2021 0 72 Report
Besoin d'aide pour factoriser et développer. Merci de votre futur aide.

DEVELOPPER :
a. (4x - 3)² - (x + 2)²
b. x (x + 1) (x - 2)
c. (2x - 1) (x + 3) (x + 1)
d. (2y - 1)² (y + 2)

FACTORISER
a. x² + 2 x + 1
b. (2x - 5)² - x²
c. 9x² + 12x + 4
D. (2x -1)² - (x - 3)²

Je connais mes formules, mais n'arrive pas a les appliquer, merci de m'aider.
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