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FACTORISER ses formules
(−8x−5)(9x+5)+9(−8x−5)
(−7x−7)*8x−4(−7x−7)
(−5x−4)(−7x+7)+(−5x−4)(8x−6)

Merci d'avance

Sagot :

Bonjour,

(−8x−5)(9x+5)+9(−8x−5)

(-8x-5) ( 9x+5 +9)=

(-8x-5) ( 9x +14)

(−7x−7)*8x−4(−7x−7)

(-7x-7) ( 8x-4)

(−5x−4)(−7x+7)+(−5x−4)(8x−6)

(-5x-4) ( -7x+7 +8x -6)=

(-5x-4) ( x +1)

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