If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x^4 = 1/5 // - 1/5
x^4-(1/5) = 0
x^4-1/5 = 0
1*x^4 = 1/5 // : 1
x^4 = 1/5
x^4 = 1/5 // ^ 1/4
abs(x) = (1/5)^(1/4)
x = (1/5)^(1/4) or x = -(1/5)^(1/4)
x in { (1/5)^(1/4), -(1/5)^(1/4) }
| 15(x+1)=255 | | 4-2/7x=12 | | 32=4(x-9) | | 4=2(1/2)+5 | | (4w+7v)(4w-7v)= | | (6x^2+5y^2-4)-(4x^2+5y^2-9)= | | -5/7s=-20 | | (x+7)/12=(1/6)+(x-6)/7 | | 5(8-3z)-1=6(z+4(1-z)) | | (9a+6b-7)+(-12a-5b+2)= | | -3=2(-4)+5 | | 4-2/7x+2=14 | | -7=-2(1/2)-6 | | -8=-2(1)-6 | | 8m+7n=22 | | -56/C=-7 | | 1=-2(-8)-6 | | 9x-(7x-4)=12 | | 3(x+3)=7x+4-4x+5 | | X=9G-9 | | -5/8+9/4 | | -3=-2(-3)-6 | | 8m+n=10 | | 30x^4-18x^2=0 | | 14/3-1/9-3/4 | | 100-5*2= | | 2/3*1/6 | | y^2-10y+34=0 | | 2/3*7 | | 100-5*12= | | 56+9y=24 | | 100-5*10= |