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baderskhalil
@baderskhalil
June 2021
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N 17 seulement ! ^^ j'ai un dm le lundi et j'ai besoin de votre aide :p
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maudmarine
Verified answer
A) (a + 2) (b + 7)
= a² + 7a + 2b + 14
b) (x + 3) (y - 4)
= xy - 4x + 3y - 12
c) (a - 5) (2 + b)
= 2a + ab - 10 - 5b
= ab + 2a - 5b - 10
d) (x - 1) (6 - y)
= 6x - xy - 6 + y
= - xy + 6x + y - 6
1 votes
Thanks 1
lallla4
Ex 16:
a: 2 a + 7 - 3 b + c
b : -5 + 3 x² +x
c: y+3 z+ x - 2
d:-b-5a²+a-8
0 votes
Thanks 1
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Seulement le 34 et si vous voulez 20 autre point reguardez en bas y a une question sur le 33 ! ^^
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Seulement le 33 et je ferai une autre question pour le 34 sur 20 point aussi svp aidez moi :)
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Verified answer
A) (a + 2) (b + 7)= a² + 7a + 2b + 14
b) (x + 3) (y - 4)
= xy - 4x + 3y - 12
c) (a - 5) (2 + b)
= 2a + ab - 10 - 5b
= ab + 2a - 5b - 10
d) (x - 1) (6 - y)
= 6x - xy - 6 + y
= - xy + 6x + y - 6
a: 2 a + 7 - 3 b + c
b : -5 + 3 x² +x
c: y+3 z+ x - 2
d:-b-5a²+a-8