Sagot :
Bonjour
A = 3 x - 5 + 8 x - 88
A = 11 x - 93
B = ( 4 x +3 ) ( 5 - 2 x ) + 3 x² - 11
B = 20 x - 8 x² + 15 - 6 x + 3 x² - 11
B = - 5 x² + 14 x + 4
Bonjour
A = 3 x - 5 + 8 x - 88
A = 11 x - 93
B = ( 4 x +3 ) ( 5 - 2 x ) + 3 x² - 11
B = 20 x - 8 x² + 15 - 6 x + 3 x² - 11
B = - 5 x² + 14 x + 4