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Answered

exercice 1 Développer et réduire chaque expression
A = (2x+3)(x+4)
B = (4x-3)(
76)
C = 7 (2x-5) + 5x
D = (x-3)(x+3)
E = (2x-3)
F = 5x - (x+3)(2x-5)

jaurait besoin de la reponse rapifement svp​

Sagot :

A = 2x^2 + 8x + 3x + 12 = 2x^2 + 11x + 12

C = 14x - 35 + 5x = 19x -35
D = x^2 + 3x - 3x - 9 = x^2 - 9
E = 2x - 3
F = 5x - (2x^2 - 5x + 6x - 15) = 5x - 2x^2 + 5x - 6x + 15 = -2x^2 + 4x + 15

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