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^-5 = 0
a = 0
a = 0
a^-5 = 0
a^-5 = 0
1*a^-5 = 0 // : 1
a^-5 = 0
a naleu017Cy do O
a in (-oo:0) U (0:+oo)
1/(a^-5) = 0
1*a^5 = 0 // : 1
a^5 = 0
a = 0
a in { 0}
a belongs to the empty set
| (x-1)^2/3=16 | | A=2x+3 | | b+b/5=10 | | x/4+x/8=6 | | 1/2(8+5) | | x-(-5)=-24 | | 15+2(4)-4(4)=7 | | x-14(x^1/2)+24=0 | | y=-3x^2+5x-7 | | c=39.71+0.50x | | 6-2x=9-8x+6x | | w+(-4)=37 | | 16-2x5/5-2 | | 5/3x-1 | | 2x^2-4xy+4y^2-16=0 | | (9y-4x)(9y+4x)= | | 32a+19-18a=47 | | 2c+8=10c | | 21z+17=3 | | -(-7x)=-(-14) | | (1/3-t)+(9/3+t)+(81/t^2)=0 | | 25d+34-23d=44 | | 4(x-2)/8=2(x+2)/8 | | 30/50=x/4 | | X^2-2xy+2y^2-8=0 | | 12t-13=-4 | | x^3+9*x=0 | | 36e+2-26e=22 | | 2/7u+4/7u=-2/5-4/5 | | x+(-11)=-32 | | 84=4(5)(3)+2(3)(15) | | 27c+20-22c=30 |