一个简单的初中数学问题，我基础很差，尽量把所有运算步骤都写出来，包括特别简单的运算，越详细越好？ 我的数学很差劲该怎么办
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===============================================
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\u5982\u679c\u6211\u4eec\u5728\u6570\u5b66\u5b66\u4e60\u4e2d\uff0c\u65e2\u624e\u624e\u5b9e\u5b9e\u5730\u5b66\u597d\u4e86\u6570\u5b66\u77e5\u8bc6\u548c\u6280\u80fd\uff0c\u53c8\u7262\u56fa\u5730\u638c\u63e1\u4e86\u6570\u5b66\u601d\u60f3\u548c\u65b9\u6cd5\uff0c\u800c\u4e14\u80fd\u7075\u6d3b\u5e94\u7528\u6570\u5b66\u77e5\u8bc6\u548c\u6280\u80fd\u89e3\u51b3\u5b9e\u2116\u95ee\u9898\uff0c\u90a3\u4e48\uff0c\u6211\u4eec\u5c31\u8d70\u5728\u4e86\u4e00\u6761\u6570\u5b66\u5b66\u4e60\u6210\u529f\u7684\u5927\u9053\u4e0a\u3002
原方程=0，因为分母≠0，所以分子
【8m-12-（m²-8m+16）】=0 即：
（8m-12-m²+8m-16）=0
16m-m²-28=0
-m²+16m-28=0
m²-16m+28=0
（m-2）（m-14）=0
解得m=2或m=14
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