factoriser 2x + x ² y ² - 7y xy - x 2n- 3nm
Mathématiques
mlerc
Question
factoriser
2x + x ²
y ² - 7y
xy - x
2n- 3nm
2x + x ²
y ² - 7y
xy - x
2n- 3nm
1 Réponse
-
1. Réponse aki10
Réponse:
2x+x²
=2×x+x×x
=x×(2+x)
y²-7y
=y×y-7×y
=y×(y-7)
xy-x
=x×y-x
=x×(y-1)
2n-3nm
=2×n-3×n×m
n×(2-3m)
tien tout tes bon