Sagot :
Bonjour
A = 3 x ( 2 x - 1 )
A = 6 x² - 3 x
pour x = - 2
A = 6 * - 2 - 3 *- 2 = - 12 + 6 = - 6
B = 5 ( x - 5 )
C = 13 x² - 7 x + 3
Bonjour
A = 3 x ( 2 x - 1 )
A = 6 x² - 3 x
pour x = - 2
A = 6 * - 2 - 3 *- 2 = - 12 + 6 = - 6
B = 5 ( x - 5 )
C = 13 x² - 7 x + 3