解方程:(4-8x)/(x^2-4)=2 + (2x-1)/(2-x)
问题描述:
解方程:(4-8x)/(x^2-4)=2 + (2x-1)/(2-x)
答
(4-8x)/(x^2-4)=2 + (2x-1)/(2-x)
4-8x=2x²-8-(2x-1)(x+2)
4-8x=2x²-8-2x²-3x+2
5x=10;
x=2;
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