Jawabanmu

2014-09-12T21:21:16+07:00
A. a^2 +2ab+b^2
b. a^2 -2ab + b^2
c. acx^2 +adx+bcx+bd
2014-09-12T21:22:22+07:00
1. a² + 2ab + b²
2. a² - 2ab + b²
3. acx² + bcx + adx + bd
1 5 1