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-1 = 0
x-1 = 0
x-1 = 0
x-1 = 0 // + 1
x = 1
x in (-oo:1) U (1:+oo)
12-((10*x)/(x-1)) >= 0
12-10*x*(x-1)^-1 >= 0
(-10*x)/(x-1)+12 >= 0
(-10*x)/(x-1)+(12*(x-1))/(x-1) >= 0
12*(x-1)-10*x >= 0
2*x-12 >= 0
(2*x-12)/(x-1) >= 0
(2*x-12)/(x-1) >= 0 // * (x-1)^2
(2*x-12)*(x-1) >= 0
( 2*x-12 )
2*x-12 >= 0 // + 12
2*x >= 12 // : 2
x >= 12/2
x >= 6
( x-1 )
x-1 >= 0 // + 1
x >= 1
(-oo:1) (1:6) (6:+oo) 2*x-12 - - + x-1 - + +
x in (-oo:1) U <6:+oo)
(-oo:1) U <6:+oo)
| 14-2x=-5x+29 | | Z//-1.4=9.2 | | -4(-8)-15y=-17 | | -5r-8r+12r=8 | | 4x+8=3y-10 | | graphY=x^2+6x+8 | | 1.4x+4.4-3.5x+6.5= | | 15j-5j-10=20 | | 12u-9u-1=2 | | 7/b-3/b | | 10-6k=-104 | | N/-10.2=0.137 | | 100x=1012.1212 | | 9x/2x^=2 | | (1+3x)=3 | | 6x^2-6y^2-12y=0 | | 3x+4+x=4(x+1) | | 4x^2-74=x^2+1 | | 4x+5x-60=45-6x | | log(1+3x)=3 | | 1.1x+4.6-3.3x+7.2= | | 2x^2+8x+10=66 | | K+20=9k+-4 | | 35+2y-15=11y-10-4y | | x^2+8x+10=66 | | 14a^2+29a+12=0 | | Y/-2=66.3 | | 221=2(4a+2) | | 8-7x=41 | | 1.4x+2.2-2.3x+6.4= | | 6.4=.8x | | 23+(-9)-(-5)= |