如何计算(2n+2)*(0.5n+1.5)
问题描述:
如何计算(2n+2)*(0.5n+1.5)
答
=n²+3n+n+3
=n²+4n+3
如何计算(2n+2)*(0.5n+1.5)
=n²+3n+n+3
=n²+4n+3