If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y^4 = 0
y^4 = 0
y^4 = 0
1*y^4 = 0 // : 1
y^4 = 0
y = 0
y in (-oo:0) U (0:+oo)
(y^10)/(y^4) = 0
1*y^6 = 0 // : 1
y^6 = 0
y = 0
y in { 0}
y belongs to the empty set
| 2-x=32+x | | 11x-30=7x-18 | | (9-3i)-8=x-(6+yi) | | 30=15+Z | | 0.837837837= | | -105=-3t | | 240=2(2W)+2W | | 2(m+1)=5(m-2) | | -3+-4=12 | | L=120+-1W | | 1.5/y=2.5/7 | | 7.2x=46.8 | | 240=2L+2W | | 8-t=55 | | 6(x-0.8)-0.2(5x-4)=-3 | | 7.2x=42.8 | | 0.75y+4=19 | | x/4/7=28 | | 152=8x | | 6-3(x+5)=4 | | 4e^8x-5=200 | | x/4.2=11.7 | | 8y+8=-3(y-5) | | 45-7x=12+4x | | t/5-8-t/3 | | -5y-10=-3(y-6) | | 0.6x-9=18 | | 0.5x-2=6 | | 5y-13=-19-5y | | -7y+20=13-y | | 4(x-7)+2(10-2x)+3x=2x+1+5(x-9) | | 2x=(360) |