怎样解方程(4X-10)(3X-10)5=3000
问题描述:
怎样解方程(4X-10)(3X-10)5=3000
答
(4X-10)(3X-10)5=3000
12x^2-70x+100=600
6x^2-35x-250=0
(x-10)(6x+25)=0
等X=10或X=-6/25