解方程:x-1/x+2+9/(x+2)(x-1)=3/x-1解方程:x-1/x+2+9/(x+2)(x-1)=3/（x-1）
<p>问题：解方程:x-1/x+2+9/(x+2)(x-1)=3/x-1解方程:x-1/x+2+9/(x+2)(x-1)=3/（x-1）<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">聂晓文的回答：<div class="content-b">网友采纳 两边乘(x+2)(x-1) (x-1)²+9=3(x+2) x²-2x+10=3x+6 x²-5x+4=0 (x-1)(x-4)=0 分母x-2≠0 所以x-4=0 x=4
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