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Sagot :

Bonjour voilà ce que j'ai trouvé =>

Réponse:

A= 2x+12

B=3x² - 4x

C= 2x(x+8)+3(x+8)

= 2x² +16x +3x+24

=2x²+19x+24

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

=15x+25x+(-12x)+(-20)

=-28x+(-20)

E=-2x(3x-6)+3(3x-6)

=6x-12x+9x-18

=15x-18

F=3x(-2x-8)+(-4)(-2x-8)

=-6x²-24x+8x+32

=6x²-16x+32

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