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Unachica77
@Unachica77
May 2019
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Bonjour , svp aidez moi j'ai un dm de maths et je n'arrive pas a faire ces deux calculs
Consigne : Factoriser après avoir repéré le facteur commun
E=(7y+2)(4y-5)-(7y+2)(14y-10)
F=(x+8)*-(x+8)(-5x+18)
*au carré
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Verified answer
Bonjour,
E=
(7y+2)
(4y-5)-
(7y+2)(
14y-10)
(7y+2)(4y-5-14y+10)=
(7y+2)(-10y+5)=
5(7y+2)(-2y+1)
F=(x+8)²-(x+8)(-5x+18)
=
(x+8)
(x+8)-
(x+8)
(-5x+18)=
(x+8)(...
1 votes
Thanks 1
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Verified answer
Bonjour,E=(7y+2)(4y-5)-(7y+2)(14y-10)
(7y+2)(4y-5-14y+10)=
(7y+2)(-10y+5)=
5(7y+2)(-2y+1)
F=(x+8)²-(x+8)(-5x+18)
= (x+8)(x+8)-(x+8)(-5x+18)=
(x+8)(...