Réponses

2014-02-02T12:12:41+01:00
Factorisation
A = (16x² +24x +9) 
A = (4x +3)²
B = (x+3)(3x-2) -2(x+3)
(x+3) (3x-2 -2)
(x+3)(3x-4)
C = 4x² -25
(2x+5)(2x-5)
D= (2x+5)² -4
(2x+5-2)(2x+5 +2)
E = (3x -2)² - ( x+3)²
(3x-2 -x-3)(3x+2 +x+3)