Réponses

2014-05-08T17:52:10+02:00
A=5x(7-6x)+9x(6x-7)
a = 35x -30x² +54x² -63x
a = 24x² -28x
2014-05-08T17:52:16+02:00
Bonjour

A=5x(7-6x)+9x(6x-7)
A = 35x - 30x² + 54x² - 63x
A = 24x² - 28x