If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( a )
a^1 = 0
a^1 = 0
a^1 = 0
a = 0
a in (-oo:0) U (0:+oo)
((a^4)/(a^1))/5 = 0
((a^4)/a)/5 = 0
1/5*a^3 = 0 // : 1/5
a^3 = 0
a = 0
a in { 0}
a belongs to the empty set
| 24-2x=6-8x | | m-3=64 | | 8(5k-9)=-15 | | p(x)=-250x^2+1250x | | c=x^2-9 | | 2x^5y^3w^7/16x^2w^3y | | 1.6666x=32-x | | 4m^2-23mn-6n^2= | | 48n^2+108n-210=0 | | 3+xi=(x+1)+21 | | X^2-9x=c | | .4(.3x-1)=2+0.75x | | X(x+6)=315 | | P(x)=2x-5x+4 | | 3x+2(3x-13)=19 | | 8(1-2n)=-31 | | 9a^2-54a+80=0 | | 2(x-6)=4x-24 | | 6r^2+12r+9=0 | | 2y-2/2=4 | | -9x^2+15x+50=0 | | -8+5(1-6c)=34 | | 86+2x=200. | | (-5)/(10)= | | 3k^2+37k+70=0 | | 8(1+2n)=-31 | | Y=x-1forx-2 | | 5x-6=-x+12 | | 8747/b=113/100 | | 9-18=54x | | -3(6y+9)=26-5y | | -2b^2+29b-90=0 |