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*x^7)/(x^2) = 0
-5*x^5 = 0 // : -5
x^5 = 0
x = 0
x in { 0}
x belongs to the empty set
| 16x^2+8=33 | | 5.50x+4Y=92 | | -4n-15=49 | | 4X+10=310 | | 10k^2-3=547 | | 1/2x-2x/3-7/3=2 | | B+19=14 | | F(5)=6n-4 | | 12x^2+3x=-a | | 4n-15=49 | | 3x=6x+27 | | 1.5=y*1.5 | | (3x-4)(x-4)-3x(x)=-36 | | 4(3+-1.5y)=-6y+12 | | F(4)=6n-4 | | 3X+15=483 | | (3x-4)(x-4)-3x(x)=36 | | x-2-3x-7= | | 4r^2-7=105 | | (3x+18)*2=6x*7 | | (2x)/(4x) | | F(3)=6n-4 | | 3r+12-6r=27 | | -14w+18=-13w | | xln(x^2-4)=0 | | x+2=2x+5x-10 | | u-15=-7 | | 12-1/2(3.5÷0.5 | | (8+2x)(8+x)-2x(x)=88 | | F(2)=6n-4 | | .21=log(x) | | 3t-2t=6 |