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Sagot :

RINLIGHT

Réponse:

D= - 4(5x -2)

= - 20x +8

J= (5x - 2) (x +7)

= 5x^2 + 35x - 2x-14

= 5x^2+33x-14

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

= 6x-12+15-5x

= x+3

L= 6x-4(2x-8)

= 12x-48x-8x+32

= - 44x+32

C= 5x(-3x+2)

= - 15x^2+10x

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

= 25x^2-8x-15x^2+6

= 10x^2-8x+6

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

= 10x+6x^2-4x-20

= 6x+6x^2-20

H= - (3x^2-5x+2)-(3-2x+2x^2)

= - 3x^2+5x-2-3+2x-2x^2

= - 5x^2+7x-5

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