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Sagot :

Bonjour,

Factoriser :

= (5x+5)(8x-2)+25x²+50x+25

= 5(13x²+16x+3)

= 5(13x²+13x+3x+3)

= 5(13x(x+1)+3(x+1))

= 5(13x+3)(x+1)

Bonne journée.

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