(x²-5x-17/-x²+x+2x-2)>1 解这个不等式(x²-5x-17/-x²+x+2x-2)>1 -x²+x+2x-2分之x²-5x-17 -x²+x+2x-2是分母 x²-5x-17是分子.十万火急!要在今天之内给出答案啊!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 13:57:18
![(x²-5x-17/-x²+x+2x-2)>1 解这个不等式(x²-5x-17/-x²+x+2x-2)>1 -x²+x+2x-2分之x²-5x-17 -x²+x+2x-2是分母 x²-5x-17是分子.十万火急!要在今天之内给出答案啊!](/uploads/image/z/1590822-54-2.jpg?t=%28x%26%23178%3B-5x-17%2F-x%26%23178%3B%2Bx%2B2x-2%29%EF%BC%9E1+%E8%A7%A3%E8%BF%99%E4%B8%AA%E4%B8%8D%E7%AD%89%E5%BC%8F%28x%26%23178%3B-5x-17%2F-x%26%23178%3B%2Bx%2B2x-2%29%EF%BC%9E1+-x%26%23178%3B%2Bx%2B2x-2%E5%88%86%E4%B9%8Bx%26%23178%3B-5x-17+-x%26%23178%3B%2Bx%2B2x-2%E6%98%AF%E5%88%86%E6%AF%8D+x%26%23178%3B-5x-17%E6%98%AF%E5%88%86%E5%AD%90.%E5%8D%81%E4%B8%87%E7%81%AB%E6%80%A5%21%E8%A6%81%E5%9C%A8%E4%BB%8A%E5%A4%A9%E4%B9%8B%E5%86%85%E7%BB%99%E5%87%BA%E7%AD%94%E6%A1%88%E5%95%8A%21)
(x²-5x-17/-x²+x+2x-2)>1 解这个不等式(x²-5x-17/-x²+x+2x-2)>1 -x²+x+2x-2分之x²-5x-17 -x²+x+2x-2是分母 x²-5x-17是分子.十万火急!要在今天之内给出答案啊!
(x²-5x-17/-x²+x+2x-2)>1 解这个不等式
(x²-5x-17/-x²+x+2x-2)>1 -x²+x+2x-2分之x²-5x-17 -x²+x+2x-2是分母 x²-5x-17是分子.十万火急!要在今天之内给出答案啊!
(x²-5x-17/-x²+x+2x-2)>1 解这个不等式(x²-5x-17/-x²+x+2x-2)>1 -x²+x+2x-2分之x²-5x-17 -x²+x+2x-2是分母 x²-5x-17是分子.十万火急!要在今天之内给出答案啊!
(x²-5x-17/-x²+x+2x-2)>1
[x²-5x-17-(-x²+x+2x-2)]/(-x²+x+2x-2)>0
(2x^2-8x-15)/(-x^2+3x-2)>0
(2x^2-8x-15)(x^2-3x+2)
{2-1/2*sqrt(46) < x, x < 1}, {2 < x, x < 2+1/2*sqrt(46)}
答案5X-17分之6X...步驿就免了....太乱