Sagot :
bonsoir
A = - 6 a + 42
B = - 14 b + 6 b²
C = - 8 x + 48 = - 8 ( x - 6 )
D = d ( 4 + 1 ) = d ( 5 )
E = - 12 e - 4
Réponse :
Bonsoir,
A = -6(a-7) B = -2b(7-3b) C = -8c+8*6
= -6a+42 = -14b+6b² = 8(-c + 6)
D = 4*d+d E = -3e+7+4e-6e-11-7e
= 5d = -12e-4
Voilà bonne soirée !