Bonjour, heelppp, merci d'avance ;) Factoriser chaque expression. a) A = 7x³ + 14x² + 21x b) B = x²y - xy² + 2x²y² c) C = x( 3y - 4) + 4( 3y - 4)
Mathématiques
anaelle2930019
Question
Bonjour, heelppp, merci d'avance ;)
Factoriser chaque expression.
a) A = 7x³ + 14x² + 21x
b) B = x²y - xy² + 2x²y²
c) C = x( 3y - 4) + 4( 3y - 4)
Factoriser chaque expression.
a) A = 7x³ + 14x² + 21x
b) B = x²y - xy² + 2x²y²
c) C = x( 3y - 4) + 4( 3y - 4)
1 Réponse
-
1. Réponse MichaelS
A = 7x³ + 14x² + 21x
A = x (7x² + 14x + 21)
B = x²y - xy² + 2x²y²
B = xy (x - y + 2xy)
C = x(3y-4) + 4(3y-4)
C = (3y-4)(x+4)