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^2 = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
5*((5*6)/(x^2)) = 0
150*x^-2 = 0 // : 150
x^-2 = 0
x naleu017Cy do O
x belongs to the empty set
| -3x-7=-x+17 | | x^6+7x^3-8= | | t^2+15t-2=0 | | 0.3[4(x-2)+x]=0.3x | | (6*x^(5/3))-66=0 | | 37=10x-x+1 | | -2m(4m+1)5=-13 | | -6x+7=x-49 | | 6n+-5=-13 | | -12(x-12)=-9(3+7x) | | 9.90+0.05m=25.59 | | 4x+6+11x-6=90 | | (25/0.4x)=3.125 | | 3(x+2)=3x-6 | | 8x+3-5x=3-2x+-2 | | x+2x+6=18 | | 4.9x^2-15x-51=0 | | 52*7=7m | | 29-4s=9s | | 6x^(5/3)-66=0 | | 19-(-13)= | | 6/32 | | -20=4(x-2) | | -6=m-8 | | x(3x-8)=(3x+8)(x-4) | | 4t+12-6= | | -12(x-12)=-9(2+7x) | | 3(x+2)=2x-6 | | 9x-(7x+5)=3x-50 | | -30+12y=-9 | | 3x+8=0+4x | | 8(4k-4)=-5k-42 |