Sagot :
bonjour
A = 6 x + 12 + 4 ( 2 x + 10 )
= 6 x + 12 + 8 x + 40
= 14 x + 52
B = 10 b - 35 - 12 b - 24
= - 2 b - 59
Bonjour,
A = 6(x + 2) + 4(2x + 10)
A = 6x + 12 + 8x + 40
A = 14x + 52
B = 5(2b - 7) - 3(4b + 8)
B = 10b - 35 - 12b - 24
B = -2b - 59