4x^2-10x>0 4x^2-10x-6

问题描述:

4x^2-10x>0 4x^2-10x-6

数学人气:408 ℃时间:2020-02-05 23:22:36
优质解答
4x^2-10x>0
2x(2x-5)>0
x>5 或x4x^2-10x-62x^2-5x-3(2x+1)(x-3)-1/2

4x^2-10x>0
2x(2x-5)>0
x>5 或x4x^2-10x-62x^2-5x-3(2x+1)(x-3)-1/2