Réponse:
5x'-6x=0
5x'=6x
5x=6
x=6/5
(2x+1)(x+4)+(x+4)(3-5x)=0
(x+4)(2x+1+3-5x)=0
(x+4)(-3x+4)=0
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Réponse:
5x'-6x=0
5x'=6x
5x=6
x=6/5
(2x+1)(x+4)+(x+4)(3-5x)=0
(x+4)(2x+1+3-5x)=0
(x+4)(-3x+4)=0