(x²+6x-2)(x²+6x-4)+1

学习 时间:2026-08-23 12:22:16 阅读:655
(x²+6x-2)(x²+6x-4)+1

最佳回答

儒雅的画笔

傲娇的小猫咪

2026-08-23 12:22:16

令X²+6X=T(T-2)(T-4)+1=T²-6T+8+1=T²-6T+9=(T-3)²=(X²+6X-3)²

最新回答共有2条回答

  • 甜美的饼干
    回复
    2026-08-23 12:22:16

    令X²+6X=T(T-2)(T-4)+1=T²-6T+8+1=T²-6T+9=(T-3)²=(X²+6X-3)²

上一篇 简单的英语改错.How was the weather like yesterday I found a little

下一篇 50千牛等于多少兆帕?