Jawabanmu

2014-09-01T22:42:08+07:00
1.      7a + 3 ( a-4 )
2.      12a² - 8b + 16a²
1 5 1
2014-09-01T22:53:07+07:00
Soal : 2xy - 5y² - 3y (2y - 5x)
soal : -3(8p-6q) - (20p+3q)