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^2 = 0
a^2 = 0
a^2 = 0
1*a^2 = 0 // : 1
a^2 = 0
a = 0
a in (-oo:0) U (0:+oo)
(2/3)*(2/(a^2))*a = 0
4/3*a^-1 = 0 // : 4/3
a^-1 = 0
a naleu017Cy do O
a belongs to the empty set
| -14r+19=303 | | 14x+3=45 | | 12-(k+3)=10 | | 4a-7=2a+1 | | -0.10(19)+0.40x=0.05(x-10) | | 3*(x+20)= | | 4r-2=24 | | c=48-12 | | X^2+1.75x-7.25=0 | | 3n-5=n+8 | | 5*(x+5)= | | (10x^3-19x^2-2x+12)/(2x-3) | | 1+x+3x=29 | | X^2+1.75-7.25=0 | | 6(x+2)=-6 | | 25+3.25p=60.75 | | 2x+29=53 | | 15m^2+4m=0 | | 6x(3)=75 | | k^2+14k+24=0 | | 5x^3/(7x^3+x^4) | | 9x+17=44 | | 4x-8/x^2-2x | | 25+3.25=60.75 | | x/(4x+x^2) | | 4x-25=55 | | -4(1-4a)=-5 | | 7x-25=136 | | 9x-(6x+4)=4x-33 | | 4(x-3)=7x+3 | | 2xy-5y-7=0 | | 3x-7x+4-x+8-11+3x-9= |