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Sagot :

JENNYF

H=(x+8)2-16(x+8)

H=2x+16-16x-128

H=-14x-112

 

ou

factoriser

 

H=(x+8)(2-16)

H=-14(x+8)

NIINII

Coucou!!!

H= (x+8)2 - 16(x+8)

   = (2x+16) - (16x+128)

   = 2x+16 -16x-128

   = 2x-16x + 16 -128

   = -14x - 112

   

Voilou!!! ^^

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