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)
((3/10)*x^5)/12 = 0
1/40*x^5 = 0 // : 1/40
x^5 = 0
x = 0
x = 0
| b^4=2401 | | 3x-6+x+50=5x+50-3x | | 10(x)=20 | | .16(36-24x)=-4x-7.5 | | 12+5(x-7)=2 | | 2x-5(x-3)=8+3x-7 | | 3x+4=8-1x | | 8/7x21/2 | | 38+7y=8y+32 | | y-5/6=13/4 | | wx-5(x-3)=8+3x-7 | | (9x+8)=0 | | (X)(x)+x=300 | | 3+x-7x=-51 | | 3x+54=x | | Z^2=6 | | 3(5+x)+6=-2(3-x)-5 | | 0=6+96*t-17*t^2 | | 25=5(x-8) | | 3x+10+44=x | | 8y-30=14-3y | | 4x^2-84x+441=0 | | e=3=7/2 | | 4y-40=2y-20 | | Z^4=36 | | 2x-28=-35+x | | 6r+2(4r-3)-11= | | 12/35x15/16 | | 6y-20=3y+1 | | d+2=26 | | 8r/9=-5.7r-6 | | 5y+10=4y+15 |