13乘(X-1)(X+1)=多少中间过程也要
问题描述:
13乘(X-1)(X+1)=多少中间过程也要
答
13(X-1)(X+1)
=13(X²-1)
=13X²-13
13乘(X-1)(X+1)=多少中间过程也要
13(X-1)(X+1)
=13(X²-1)
=13X²-13