Odpowiedzi

2010-02-23T16:14:17+01:00
(3x² - xy * (-2y)) * 3x = [3x²-(-2xy)-(-2xy²)] * 3x = (3x²+2xy+2xy²)*3x =
= 9x³+6x²y+6x²y² = 9x³ +12x² + 6y + 6y²
Najlepsza Odpowiedź!
2010-02-23T16:15:49+01:00
[3x²-(-2xy)-(-2xy²)] * 3x = (3x²+2xy+2xy²)*3x =
= 9x³+6x²y+6x²y² = 9x³ +12x² + 6y + 6y²