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Answered

developper et reduisez les expressions suivantes les coefficients seront donnes sous forme fractionnaire simplifiee
E= (2/3x+5/12)(6x-1/4)+1/3x²+1/3
F= (3x-1/7)(5- -2/3x)+1/8x²+1/3x      
G= (1/8-7x)(6x- -2/-5)+6x-7/4x²

Sagot :

E= (2/3x+5/12)(6x-1/4)+1/3x²+1/3
  =1/48(208x²+112x+11)

F= (3x-1/7)(5- -2/3x)+1/8x²+1/3x    
  =1/168(357x²+2560x-120)
 
G= (1/8-7x)(6x- -2/-5)+6x-7/4x²
   =1/20(-875x²+191x-1)

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