bonjour
a. ( x - 3 ) ( 2 x + 1 + 5 x - 7 )
a = ( x - 3 ) ( 7 x - 6 )
b . ( 11 x + 6 ) ( 5 x - 6 + 8 )
= ( 11 x + 6 ) ( 5 x + 2 )
c. ( 3 x + 9 ) ( 7 x² - 5 + 7 x - 12 )
= ( 3 x + 9 ) ( 7 x² + 7 x - 17 )
d. ( 14 x + 5 ) ( 8 x - 5 + 14 x + 5 )
= ( 14 x + 5 ) ( 22 x )
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bonjour
a. ( x - 3 ) ( 2 x + 1 + 5 x - 7 )
a = ( x - 3 ) ( 7 x - 6 )
b . ( 11 x + 6 ) ( 5 x - 6 + 8 )
= ( 11 x + 6 ) ( 5 x + 2 )
c. ( 3 x + 9 ) ( 7 x² - 5 + 7 x - 12 )
= ( 3 x + 9 ) ( 7 x² + 7 x - 17 )
d. ( 14 x + 5 ) ( 8 x - 5 + 14 x + 5 )
= ( 14 x + 5 ) ( 22 x )