两道初二下册数学题 1、(8/4X²-1) +( 2x+3/1-2x)=1 2( x-2/x-1) / (3/x-1-x-1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 09:46:12
![两道初二下册数学题 1、(8/4X²-1) +( 2x+3/1-2x)=1 2( x-2/x-1) / (3/x-1-x-1)](/uploads/image/z/353381-5-1.jpg?t=%E4%B8%A4%E9%81%93%E5%88%9D%E4%BA%8C%E4%B8%8B%E5%86%8C%E6%95%B0%E5%AD%A6%E9%A2%98+1%E3%80%81%EF%BC%888%2F4X%26%23178%3B-1%EF%BC%89+%2B%EF%BC%88+2x%2B3%2F1-2x%EF%BC%89%3D1+2%28+x-2%2Fx-1%29+%2F+%283%2Fx-1-x-1%29)
两道初二下册数学题 1、(8/4X²-1) +( 2x+3/1-2x)=1 2( x-2/x-1) / (3/x-1-x-1)
两道初二下册数学题 1、(8/4X²-1) +( 2x+3/1-2x)=1 2( x-2/x-1) / (3/x-1-x-1)
两道初二下册数学题 1、(8/4X²-1) +( 2x+3/1-2x)=1 2( x-2/x-1) / (3/x-1-x-1)
8/(2x+1)(2x-1)-(2x+3)/(2x-1)=12(x-2)/(x-1)*(x-1)/(3-x²+1)
8/(2x+1)(2x-1)-(4x²+8x+3)/(2x-1)(2x+1)=-12/(x+2)
两边乘以(2x+1)(2x-1)(x+2)
(-4x²-8x+5)(x+2)=-12(4x²-1)
4x³-32x²+11x+2=0