化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²(X-Y)视为整体
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 13:32:49
![化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²(X-Y)视为整体](/uploads/image/z/1746971-35-1.jpg?t=%E5%8C%96%E7%AE%80+3%28X-Y%29%26%23178%3B-4%28X-Y%29%2B7%28X-Y%29-6%28X-Y%29%26%23178%3B3%28X-Y%29%26%23178%3B-4%28X-Y%29%2B7%28X-Y%29-6%28X-Y%29%26%23178%3B%28X-Y%29%E8%A7%86%E4%B8%BA%E6%95%B4%E4%BD%93)
化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²(X-Y)视为整体
化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²
3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²
(X-Y)视为整体
化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²(X-Y)视为整体
3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²
=(3-6)(X-Y)²+(-4+7)(X-Y)
=-3(X-Y)²+3(X-Y)
3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²
=3(X-Y)-3(X-Y)²
=3(X-Y)(1-X+Y)