a三次方+5a的平方-6a
问题描述：
a三次方+5a的平方-6a
答
a^3+5a^2-6a
=a(a^2+5a-6)
=a(a+6)(a-1)
a三次方+5a的平方-6a
a^3+5a^2-6a
=a(a^2+5a-6)
=a(a+6)(a-1)