Jawabanmu

2014-05-02T14:22:59+07:00
= (2x - 3y + 5) (2x - 3y + 5)
= 4x² - 6xy + 10x - 6xy + 9y² - 15y + 10x - 15y + 25
= 4x² - 12xy + 20x + 9y² - 30y + 25