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Maximegirault9Max
@Maximegirault9Max
May 2019
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Salut pouvez-vous m'aider svp :
Développer et réduire chaque expréssion :
a)= -7(x-2) b)= (4x+5) (x+3) c)= (9+x) (3x-1) d)= (6x-2) (5x-3)
Merci de me répondre
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FreeThinker
Verified answer
Bonjour,
a)= -7(x-2) =-7x+14
b)= (4x+5) (x+3) =4x²+12x+5x+15=
4x²+17x+15
c)= (9+x) (3x-1) = 27x-9+3x²-x=3x²+26x-9
d)= (6x-2) (5x-3)=30x²-18x-10x+6=30x²-28x+6
2 votes
Thanks 2
FreeThinker
de rien
betulgigi
A) -7(x - 2)
= -7x +14
b) (4x+5) (x+3)
= 4x au carré + 12x + 5x + 15
= 4x au carré + 17x + 15
c) (9+x) (3x-1)
= 27x - 9 + 3 x au carré - x
= 3x au carré + 26x - 9
d) (6x - 2) (5x - 3)
= 30x au carré - 18x - 10x + 6
= 30x au carré - 28x + 6
voila j'espere que je t'ai aidé !!
1 votes
Thanks 1
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Lista de comentários
Verified answer
Bonjour,a)= -7(x-2) =-7x+14
b)= (4x+5) (x+3) =4x²+12x+5x+15=4x²+17x+15
c)= (9+x) (3x-1) = 27x-9+3x²-x=3x²+26x-9
d)= (6x-2) (5x-3)=30x²-18x-10x+6=30x²-28x+6
= -7x +14
b) (4x+5) (x+3)
= 4x au carré + 12x + 5x + 15
= 4x au carré + 17x + 15
c) (9+x) (3x-1)
= 27x - 9 + 3 x au carré - x
= 3x au carré + 26x - 9
d) (6x - 2) (5x - 3)
= 30x au carré - 18x - 10x + 6
= 30x au carré - 28x + 6
voila j'espere que je t'ai aidé !!