Aide SVP ! Equation du second degre Factoriser: A = x au carre - 4x + 5 A =?
Mathématiques
Audreyc02
Question
Aide SVP !
Equation du second degre
Factoriser:
A = x au carre - 4x + 5
A =?
Equation du second degre
Factoriser:
A = x au carre - 4x + 5
A =?
1 Réponse
-
1. Réponse isapaul
Bonjour,
x² - 4x + 5 = x² - 4x +4 + 1 = (x - 2)² + 1