bonjour,
A = ( x - 1 )²
B = ( 2 x + 3 )²
C = ( 3 x - 2 ) ( 3 x + 2 )
D = ( 4 x - 5 )²
E = ( 1 - 7 x ) ( 1 + 7 x )
F = ( 3 t + 2 )²
G = ( 2 x + 3 - 8 ) ( 2 x + 3 +8 )
= ( 2 x - 5 ) ( 2 x + 11 )
H = ( 1 + 2 - 5 x ) ( 1 - 2 + 5 x )
= ( - 5 x + 3 ) ( 5 x - 1 )
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bonjour,
A = ( x - 1 )²
B = ( 2 x + 3 )²
C = ( 3 x - 2 ) ( 3 x + 2 )
D = ( 4 x - 5 )²
E = ( 1 - 7 x ) ( 1 + 7 x )
F = ( 3 t + 2 )²
G = ( 2 x + 3 - 8 ) ( 2 x + 3 +8 )
= ( 2 x - 5 ) ( 2 x + 11 )
H = ( 1 + 2 - 5 x ) ( 1 - 2 + 5 x )
= ( - 5 x + 3 ) ( 5 x - 1 )