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Sagot :

CO0309

Réponse:

[tex]c = 4x(2 - x)[/tex]

[tex]d = (3 x - 5) {}^{2} [/tex]

e =

a2−b2=(a+b)(a−b) a2-b2 où a=5 et b=6x

(5+6x)(5−6x)

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