因式分解:0.36a^2+1-1.2a
问题描述:
因式分解:0.36a^2+1-1.2a
答
(0.6a-1)^2
答
0.36a^2+1-1.2a
=(0.6)²-2*1*0.6a+1²
=(0.6a-1)²