(a+2)(a-2)(a²*²+4a²+16)

来源：学生作业学帮网编辑：学帮网时间：2024/05/13 19:51:45

(a+2)(a-2)(a^4+4a²+16)
=(a²-4)*(a²+4)²
=(a²-4)*(a²+4)*(a²+4)
=(a^4-16)*(a²+4)
=a^6+4a^4-16a²-64