Réponses

2013-01-06T20:44:48+01:00

F=(3x-16)²-2

  =9x²-96x+256-2

  =9x²-96x+254

 

E=(2x-3)²-16

  =4x²-12x+9-16

  =4x²-12x-7

 

(2x-7)(2x+1)

=4x²+2x-14x-7

=4x²-12x-7

=E

Donc E=(2x-7)(2x+1)