bonjour
a. ( 2 x - 3 ) ( 24 x - 3 - 22 x + 5 ) = ( 2 x - 3 ) (2 x + 2 )
b . ( 15 x + 7 ) ( 3 - x + 12 x + 5 ) = ( 15 x + 7 ) ( 11 x + 8 )
c. ( 7 x - 26 ) ( 11 x + 8 + 12 x + 4 ) = ( 7 x - 26 ) ( 23 x + 12 )
d. ( 13 t + 5 ) ( - 5 t + 2 - 8 t + 15) = ( 13 t + 5 ) ( - 13 t + 17 )
