(2y)/(8y^2-2y)

解方程(2y)/(8y^2-2y)

解题(2y)/(8y^2-2y) 方程

x^4+4*x^3-18*x^2-12*x+9;x-1

4*x^3-(12*x^2)-(4*x)+12 = 0;x

x

70;2.80

x^3+3*x^2-21*x+9;x+3

104.28;20.05