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Sagot :

Réponse:

D=5x*-3x

=x*(5-3)

=x*(2)

=2(x*)

E=16x*-25y*

=(4x)*-(5y)*

=(4x-5y)(4x+5y)

G=3x(2x-5)-3x(4x+2)

=3x((2x-5)-(4x+2))

=3x(2x-5-4x-2)

=3x(-2x-7)

Bonjour :)

Bon courage !

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