Réponses

2013-11-17T17:50:36+01:00
F(x)= (11x-x^2- 11 +x) + 5(x^2 - 2x +1)= (-x^2 +12x - 11) + 5x^2 - 10x +5= -4x^2 +2x -6
g(x)= 2( 2x^2 +3x-2x -3)= 4x^2 + 2x - 6