分解因式-6a^2b^2-15a^2b^2+3a^2b
问题描述:
分解因式-6a^2b^2-15a^2b^2+3a^2b
答
-6a^2b^2-15a^2b^2+3a^2b
=a^2b(3-6b-15b)
=a^2b(3-21b)
=3a^2b(1-7b)