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 = 0
a = 0
a = 0
a in (-oo:0) U (0:+oo)
5/a-a-(2/1) = 2/a-1 // - 2/a-1
5/a-a-(2/a)-(2/1)+1 = 0
5/a-a-2*a^-1-2+1 = 0
3*a^-1-1*a^1-1*a^0 = 0
(3*a^0-1*a^2-1*a^1)/(a^1) = 0 // * a^2
a^1*(3*a^0-1*a^2-1*a^1) = 0
a^1
3-a^2-a = 0
3-a^2-a = 0
DELTA = (-1)^2-(-1*3*4)
DELTA = 13
DELTA > 0
a = (13^(1/2)+1)/(-1*2) or a = (1-13^(1/2))/(-1*2)
a = (13^(1/2)+1)/(-2) or a = (1-13^(1/2))/(-2)
a in { (13^(1/2)+1)/(-2), (1-13^(1/2))/(-2)}
a in { (13^(1/2)+1)/(-2), (1-13^(1/2))/(-2) }
| X(12-2x)(12-2x)=v | | 2(3x+10)=5(x-2)+3 | | 4x+2(3x+9)=x | | -8+6x=-50 | | 7/2x=.75 | | 1.5z+18=48 | | f(x)=ln(4x+9) | | n-10=75 | | 35x-90=10x+80 | | (2x-3)(x+8)=0 | | 6+8x=6x+11 | | a=2a-24 | | p-8=54 | | 15-3x=10+x | | 2x+5x=203 | | 5(9x-5)= | | 0=3z^2-13z-10 | | 0=.4x^2+10x-240 | | 9g+g+100=500 | | 7c+19+3c=5c-31 | | p-4-10= | | -23=7x+5 | | 7=x^4 | | 2x+4+9x+3= | | -4y-5(2z-6y)-2z= | | 7x+5+1x+3= | | 12x-9=13+x | | 10xy*x= | | 4y+8-2y=10+y-3 | | a=180(7-2) | | 4px^2-p^2q^2=2pqx-2p^2q | | 4x+5+4x+8= |