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)
4/x = 16 // - 16
4/x-16 = 0
4*x^-1 = 16 // : 4
x^-1 = 4
-1 < 0
1/(x^1) = 4 // * x^1
1 = 4*x^1 // : 4
1/4 = x^1
x = 1/4
x = 1/4
| x^1/2-5x^1/4+6=0 | | 2/3+4x=2 | | 2(14-x)+3x=33 | | U/6+2.1=-17.1 | | (4d-2)=d+5 | | 4x=32-6 | | -x^4+16x^2-48=0 | | 7x+3y=63 | | 82=17+13x | | .75*24+.33*24= | | (x+6)*2=49 | | 7x^2+3x-880=0 | | (3x)/13+5/13=(2x)/13-4/13 | | 20x^2+10x=0 | | 18-6m-6+6+6m+2-3m= | | .66*21= | | 464-0.018n=-0.25n | | 90=9x+x^2 | | 11=t+2 | | 3.25=6+2.5c | | 56/8x | | 2/3(5*5-4) | | 2.54a-0.008=0.5 | | 0.05a+2.33=1.08 | | (m-8n)-(-3m+9n)= | | 4x^6-9x^4=0 | | -10x^2+5=0 | | x=3x^3-2x^2+10 | | P(x)=x^6-1 | | (8a^2b-7a)+(2a^2b-9b)= | | 4p^2-5=6p-1 | | 2/3(25-4) |