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M3LVYN
@M3LVYN
May 2019
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Bonjour
Nous travaillons sur les équations et inéquations mais je rencontre des difficultés pour résoudre ces équations produits:
●(3x+8) (13x+2) =0
●(-6x-7) (7/8x+3) =0
●x (11-23) (x/6-8) =0
●(x-5) (2x-1) -3x (2x-1) =0
PS: Il est demandé de "vérifier chaque calcul".
Je suis vraiment largué, merci d'avance pour vos suggestions...
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1D2010
Bonsoir,
(3x+8)(13x+2)=0
3x+8=0 ou 13x+2=0
x=-8/3 ou x=-2/13
(-6x-7)(7/8 x+3)=0
-6x-7=0 ou 7/8 x+3=0
x=-7/6 ou x=-24/7
(x-5)(2x-1)-3x (2x-1)=0
(2x-1)(x-5-3x)=0
(2x-1)(-2x-5)=0
x=1/2 ou x=-5/2
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(3x+8)(13x+2)=0
3x+8=0 ou 13x+2=0
x=-8/3 ou x=-2/13
(-6x-7)(7/8 x+3)=0
-6x-7=0 ou 7/8 x+3=0
x=-7/6 ou x=-24/7
(x-5)(2x-1)-3x (2x-1)=0
(2x-1)(x-5-3x)=0
(2x-1)(-2x-5)=0
x=1/2 ou x=-5/2