factoriser: f(x) = (5x + 10)² - (3x + 17) (5x + 10 )
Mathématiques
linoush1
Question
factoriser: f(x) = (5x + 10)² - (3x + 17) (5x + 10 )
1 Réponse
-
1. Réponse PAU64
f (x) = (5x + 10) [(5x + 10) - (3x + 17)
f (x) = (5x + 10) (5x + 10 - 3x - 17)
f (x) = (5x + 10) (2x - 7)