bonsoir
A = 4 ( 2 x + 3 y )
B = 7 ( 7 a + 8 h )
C = 6 ( 4 x + 5 y - 3 z )
D = 15 x ( y + 15 z )
E = 2 x ( x + 4 )
F = 5 xy ( 5 x - 3 y )
a = ( x - 3 ) ( 2 x + 1 + 5 x - 7 )
a = ( x - 3 ) ( 7 x - 6 )
b = ( 11 x + 6 ) ( 5 x - 6 + 8 )
b = ( 11 x + 6 ) ( 5 x + 2 )
c = ( 3 x + 9 ) ( 7 x² - 5 + 3 x + 9 )
c = ( 3 x + 9 ) ( 7 x² + 3 x + 4 )
d = ( 14 x + 5 ) ( 8 x - 5 + 14 x + 5 )
d = ( 14 x + 5 ) ( 22 x )
