解方程：x^0.75-x^0.25=0.75 求x

方程是啥?
如果为：x^0.75-x^0.25=0.75
令t=x^0.25,则x^0.75=t^3
方程化为:t^3-t=0.75,
解得：t=1.26255112740716
x=t^4=2.540948695
如果为：x^0.75-x^0.25=x
令t=x^0.25,则x^0.75=t^3,x=t^4
方程化为:t^3-t=t^4
即t=0,或t^3-t^2+1=0
后者解得：t=-0.754877666246692
因此有x=0 或x=t^4=0.324717957