Bonjour,
A)
4x +8 +x² +2x
= x² +6x +8
B)
10y +30 -2y² -6y
= -2y² +4y +30
C)
5a -30 -3a² +18a
= -3a² +23a -30
petite erreur de frappe!
Excuse-moi!
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Verified answer
Bonjour,
A)
4x +8 +x² +2x
= x² +6x +8
B)
10y +30 -2y² -6y
= -2y² +4y +30
C)
5a -30 -3a² +18a
= -3a² +23a -30
petite erreur de frappe!
Excuse-moi!