因式分解 1/3-3a^2
问题描述:
因式分解 1/3-3a^2
答
1/3-3a^2
=1/3(1-9a^2)
=1/3(1+3a)(1-3a)
答
1/3-3a^2
= 3(1/9-a^2)
= 3(1/3+a)(1/3-a)
答
1/3-3a^2
=1/3(1-9a²)
=1/3(1+3a)(1-3a)