Sagot :
bonjour
K = (a + 6 ) ( a + 4 )
L = 42 - 7 a + 14 = 7 ( 6 - a + 2 ) = 7 ( - a + 8 )
M = ( x - 5 ) ( 3 - 2 x + 1 )
= ( x - 5 ) ( - 2 x + 4 )
= 2 ( x - 5 ) ( x + 2 )
bonjour
K = (a + 6 ) ( a + 4 )
L = 42 - 7 a + 14 = 7 ( 6 - a + 2 ) = 7 ( - a + 8 )
M = ( x - 5 ) ( 3 - 2 x + 1 )
= ( x - 5 ) ( - 2 x + 4 )
= 2 ( x - 5 ) ( x + 2 )