Answered

bonjour aider moi svp merci d'avance

1. Factoriser: 4 x2-12 x+9 2. Factoriser : (2 x-3)2-4

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Sagot :

VINS

bonjour

4 x² - 12 x + 9 = ( 2 x - 3 )²

( 2 x - 3 )² - 4

= ( 2 x - 3 - 2 ) ( 2 x - 3 + 2 )

= ( 2 x - 5 ) ( 2 x - 1 )