Sagot :
Bonsoir
On suppose qu'il faut factoriser
f (x) = ( 6 x - 1 ) ( 5 x - 3 - 2 x - 7 )
= ( 6 x - 1 ) ( 3 x - 10 )
f (x) = ( 5 - x ) ( 7 x + 4 + 7 + 3 x )
= ( 5 - x ) ( 10 x + 11 )
f (x) = x ( 10 x - 7 )
Bonsoir
On suppose qu'il faut factoriser
f (x) = ( 6 x - 1 ) ( 5 x - 3 - 2 x - 7 )
= ( 6 x - 1 ) ( 3 x - 10 )
f (x) = ( 5 - x ) ( 7 x + 4 + 7 + 3 x )
= ( 5 - x ) ( 10 x + 11 )
f (x) = x ( 10 x - 7 )