Factoriser au maximum : A = 4x² – 12x + 9

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Grade: Education Subject: mathematiques
Factoriser au maximum : A = 4x² – 12x + 9
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Best Answer
(130)

4x² – 12x + 9
(c'est une identité remarquable), (a^2 - 2ab + b^2) = (a-b)^2
⇔ (2x)^2 - 12x + 3^2
⇔ (2x-3)^2

(154)

Bonsoir;

identité remarquable:

( a -b)²  = a² -2ab+b²

=> ( 2x -3) ²