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
10*x^-1-(12*x^-2) = 0
x = 0
x = 0
10*x^-1-(12*x^-2) = 0
10*x^-1-(12*x^-2) = 0
10*x^-1-12*x^-2 = 0
t_1 = x^-1
10*t_1^1-12*t_1^2 = 0
10*t_1-12*t_1^2 = 0
DELTA = 10^2-(-12*0*4)
DELTA = 100
DELTA > 0
t_1 = (100^(1/2)-10)/(-12*2) or t_1 = (-100^(1/2)-10)/(-12*2)
t_1 = 0 or t_1 = 5/6
t_1 = 0
x^-1+0 = 0
x^-1 = 0
1*x^-1 = 0 // : 1
x^-1 = 0
x należy do O
t_1 = 5/6
x^-1-5/6 = 0
1*x^-1 = 5/6 // : 1
x^-1 = 5/6
-1 < 0
1/(x^1) = 5/6 // * x^1
1 = 5/6*x^1 // : 5/6
6/5 = x^1
x = 6/5
x in (-oo:0) U (0:6/5) U (6/5:+oo)
(8*x^-2-(2*x^-1))/(10*x^-1-(12*x^-2)) = 0
(8*x^-2-2*x^-1)/(10*x^-1-12*x^-2) = 0
8*x^-2-2*x^-1 = 0
2*x^-1*(4*x^-1-1) = 0
4*x^-1 = 1 // : 4
x^-1 = 1/4
-1 < 0
1/(x^1) = 1/4 // * x^1
1 = 1/4*x^1 // : 1/4
4 = x^1
x = 4
2*x^-1*(x-4) = 0
10*x^-1-12*x^-2 = 0
2*x^-1*(5-6*x^-1) = 0
-6*x^-1 = -5 // : -6
x^-1 = 5/6
-1 < 0
1/(x^1) = 5/6 // * x^1
1 = 5/6*x^1 // : 5/6
6/5 = x^1
x = 6/5
2*x^-1*(x-6/5) = 0
(2*x^-1*(x-4))/(2*x^-1*(x-6/5)) = 0
( 2*x^-1 )
2*x^-1 = 0 // : 2
x^-1 = 0
x należy do O
( x-4 )
x-4 = 0 // + 4
x = 4
x = 4
| -6(1+7p)=39+3p | | 1=x(20-2x) | | -4n-2.2n+11+2.7n-15.2= | | 6+7r-3=3+7r | | 6+7r-3=3+7t | | 2+10(2+8r)=9r-49 | | -1x-7=-11 | | 9n^2-8n-5=4n | | U/6=3/5 | | -3m+4(8+4m)=136 | | (8x-3)-8=4+2x | | 8(9+y)-12=5(2y+6) | | (4x-3)(7x+6)=0 | | 16x+(-2)=-6+14x | | -20(x-36)=x-45 | | 5/u=17/8 | | 3[x+8]=-6 | | 5/17=y/12 | | 3n-5=-2+14 | | 4+(-11)=5x-7-4x | | 2a-5=8n+7 | | -.83x+27=-23 | | 75=-5[a+5] | | 8(v+2)-2v=2(3v+2)-7 | | 2(5n-4)+9n= | | 0=12x+22 | | e/9=3 | | 17x-22x=1/3 | | -.16(x-12)+.33(x+3)=x+8 | | 5g+9=2g+3 | | (1/2)x-(3/5)y=5 | | -10y=68-2(4-2y) |