Sagot :
Developper:
A= -4(x au carré + 6x + 9 )
-4x^3 - 24x^2 -36x
B= (x+1)(x-2)
(X^2-2x+x -2) (x+3)
X^3-2x^2+x-6
A= -4(x au carré + 6x + 9 )
-4x^3 - 24x^2 -36x
B= (x+1)(x-2)
(X^2-2x+x -2) (x+3)
X^3-2x^2+x-6