Réponses

2014-05-11T13:40:34+02:00
(y-5)(y+2)
<=> y² - 5y + 2y - 10
<=> y² - 3y - 10
2014-05-11T13:40:53+02:00
(y-5)(y-2) = y²-2y-5y+10 = y²-7y+10