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
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(1/x)/x = 0
1*x^-2 = 0 // : 1
x^-2 = 0
x należy do O
x belongs to the empty set
| y/-3.25=4 | | 11a-a+3a-13a+a=19 | | x-9+x+2x+5=180 | | -4x+8-7=x-1 | | -(x^4)+(5x^3)-(6x^2)-(4x)+8=0 | | 124=14s+54 | | 14h-5h=9 | | -23=-9x-5 | | 3x+16=88 | | 6x+7.5=7x-10.4 | | 4/6=k/16 | | 7x-7=-12 | | 7x+3x-5x=78 | | x+3y=250 | | 4(k-3)= | | n^2+21n=2n^2+3n | | 2/51x1/4 | | 10t=700 | | 2y=1-2x | | 2/3x12/17 | | 10r=700 | | x(12-2x)(15-2x)=162 | | x+46+2x-10+x=180 | | 2/3•12/17•1/4 | | -7(x+4)-45=6-37 | | X^2-14x+1=-2-4x^2+2x | | 4x(5*7x)5/25=5x | | 3(3+4)=4s-7 | | 2senx-4=0 | | x-7=2x+27+x | | 18-z=5 | | 4r+2r+5= |