来自杭一飞的问题
因式分解:3a+12a2+12a3=______.
因式分解:3a+12a2+12a3=______.
1回答
2020-08-01 00:44
因式分解:3a+12a2+12a3=______.
因式分解:3a+12a2+12a3=______.
3a+12a2+12a3=3a(1+4a+4a2)=3a(1+2a)2.
故答案为:3a(1+2a)2.