factoriser l expression: B=4x²-4x+1-(2x-1)(5x+3) merci ;)
Mathématiques
bisounours
Question
factoriser l expression:
B=4x²-4x+1-(2x-1)(5x+3)
merci ;)
B=4x²-4x+1-(2x-1)(5x+3)
merci ;)
2 Réponse
-
1. Réponse Anonyme
Bonsoir,
Factoriser l expression:
B = 4x² - 4x + 1 - (2x - 1)(5x + 3)
= (2x - 1)² - (2x - 1)(5x + 3)
= (2x - 1)(2x - 1) - (2x - 1)(5x + 3)
= (2x - 1) [(2x - 1) - (5x + 3)]
= (2x - 1) (2x - 1 - 5x - 3)
= (2x - 1) (-3x - 4) -
2. Réponse maudmarine
Factoriser l'expression :
B = 4x² - 4x + 1 - (2x - 1) (5x + 3)
B = (2x - 1)² - (2x - 1) (5x + 3)
B = (2x - 1) (2x - 1) - (2x - 1) (5x + 3)
B = (2x - 1) ((2x - 1) - (5x + 3))
B = (2x - 1) (2x - 1 - 5x - 3)
B = (2x - 1) (- 3x - 4)