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)
1/(x^2)-1 = 0
1*x^-2 = 1 // : 1
x^-2 = 1
-2 < 0
1/(x^2) = 1 // * x^2
1 = 1*x^2 // : 1
1 = x^2
x^2 = 1 // ^ 1/2
abs(x) = 1
x = 1 or x = -1
x in { 1, -1 }
| x/y=8 | | 15/(2/3) | | 0.14x+29.95=.39x+4.95 | | 3x=-y-t | | 90+5f+2+122=180 | | 6(n+7)=7n-4 | | 4x^2-15x=-3x^2-2x-6 | | 8x+22y=10 | | 3-9(4x+12)=6(4x+24-12) | | 3-9(4x+12)=6(4x+24-12) | | y=6.3333+3x | | 6m+-3=-15+2m | | 3.75b+50.00=800 | | 2(w-5)-8w=26 | | 2/3m=m-2/9 | | 6*11+8= | | -5x+2(3x+6)=0 | | x=3/y | | 3.75b+50.00=400 | | -3(4a+3)+4(6x+1)=43 | | 90+5f+2=122 | | 4x=-10x-112 | | 3/(X-6)=6 | | 3y=-19+9x | | 1x+300=1.50x+200 | | 1x+300=1.50x+200 | | 90/0.60 | | Y=8x+.20 | | 10x-25xy= | | 5t/4=20 | | y=-2xsquare+3 | | p^3-w^12=0 |