Réponse :
bonsoir
A = 6 x - 18 - 3 + 5 x = 11 x - 21
B = 24 + 4 z + 2 z - 5 z² - 6 + 15 z = - 5 z² + 21 z + 18
m (x) = x² + 5 x + 1
M ( 0 ) = 1
M ( - 3 ) = 9 - 15 + 1 = - 5
M ( 3/5 ) = 9 /25 + 15/5 + 1 = 9/25 + 75/25 + 25/25 = 109/25
A = 3 * - 3 + 2 = - 9 + 2 = - 7
B = 7/5 + 12/15 = 21/15 + 12/15 = 33 /15
Explications étape par étape :
