Bonsoir,
A= 3x(1-2x)
B= 2a( 2 + b)
C= (x+1) ( 1+x+3) = (x+1)( x+4)
D= (8-x) ( 8-x -7) = (8-x)( -x +1)
A= 1/4 - (1/2)²
(1/2 - 8a) (1/2 + 8a)
B= (x/3 - 1)
C= (0,5 +2) ²
D= (2t-3 -8) (2t-3+8) = (2t -11) (2t +5)
