Bonjour joyeuses fetes ! 13pts
Aidez moi svp je suis en 3eme factorisation/developpement

E= (x-3) ^{2} +(x-3)(1-2x)
a) Développer et reduire E

b) Prouver que l'expressionfactorisée de E est: (x-3)(-x-2)

c) Resoudre l'equation E = 0
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