Réponse :
a) 6x²-5x= 6x*x-5*x= (6x-5)*x
b) 49y²+14y= 7y*7y+7y*2= 7y(7y+2)
c) 9n²-6n= 3n*3n-3n*2= 3n(3n-2)
d) 8t²+6t+2=2*4t²+2*3t+2*1= 2*(4t²+3t+1)
etoile=fois
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Réponse :
a) 6x²-5x= 6x*x-5*x= (6x-5)*x
b) 49y²+14y= 7y*7y+7y*2= 7y(7y+2)
c) 9n²-6n= 3n*3n-3n*2= 3n(3n-2)
d) 8t²+6t+2=2*4t²+2*3t+2*1= 2*(4t²+3t+1)
etoile=fois