If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
-0.2*x = 0
x = 0
x = 0
-0.2*x = 0
-0.2*x = 0
-0.2*x = 0 // : -0.2
x = 0
x in (-oo:0) U (0:+oo)
1/x+1/(-0.2*x) = 0
-4*x^-1 = 0 // : -4
x^-1 = 0
x naleu017Cy do O
x belongs to the empty set
| 53t+47t=50 | | x-5=4-2x | | -6/5x+y=-1/5 | | -6/5x+y=1/5 | | 8x^2-4=24 | | 5a=32t | | 4(x-1/2)(x+4)^2(x+i)(x) | | 36+5b-35=3b | | y=6/5x-1/5 | | 4(x-1/2)(x+4)^2(x+i) | | 10log[4](n-10)=-10 | | 2r/3 | | 10x=30y-60x | | 11/2+3/4= | | 2n+9=-17 | | 4(x-16)=30 | | 8-3=x+4 | | (4/X-2)+(3/X+3) | | 2x+7(3x+1)=4-3[2x+(-5)+3(2x-5x+3)] | | (50*16/2)-(64/8*20+50) | | 14x^2-x^3+32= | | 2r-5.3=10.4 | | 5+4/3+5-1/2 | | 10s+15r= | | 725=(25)(29) | | -x^3+14x^2+32= | | 5(x+9)-7x=5 | | -2/3x+3y=-34 | | 4x-(7x+7)=3x-37 | | (5y/5y-2)-(2/2-5Y) | | 4(1+2x)=7(x-2) | | -x^3+3x^2-21x+33=0 |