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Sagot :

Tu peux factoriser par (2x-1)
(2x-1)(3x+2-2(3-5x))
=(2x-1)(3x+2-6+10x)
=(2x-1)(13x-4)
(3x+2)(2x-1)+2(2x-1)(3-5x)
=(2x-1)(3x+2-2(3-5x))
=(2x+1)(13x-4)

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