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)
3/x-5 = 9/x-3 // - 9/x-3
3/x-(9/x)-5+3 = 0
3/x-9*x^-1-5+3 = 0
-6*x^-1 = 2 // : -6
x^-1 = -1/3
-1 < 0
1/(x^1) = -1/3 // * x^1
1 = -1/3*x^1 // : -1/3
-3 = x^1
x = -3
x = -3
| (1000)2/9.81(20)2 | | (1000)2/9.81X400 | | -6p+31=13 | | 3x+4(x-4)=3(x-4) | | 6-3z=15 | | 6(2n+2)=6(6n+3)+2n | | 10(8)-9y+6=0 | | S=-4(-5)-12 | | 3a+15=29 | | 16x/13=0/26 | | (8x-8)+(10x+10)= | | 16x/13= | | 6w-15=27 | | 4x^2-39x+90=684 | | 3y-9=8 | | Y=-(8)+9 | | -3(5/2*-3) | | 7+5(m-5)=42 | | -3(5/2*-3)(5--3) | | -0.6n+2n= | | 98-x+2x=180 | | n+0.6+n+0.6= | | 8-1y+1=0 | | -2-y+1=0 | | -10+-1x+x^2+8x^3+-6x^4= | | 3-7x/2=1 | | 135=18*h | | 2*6+3-2= | | (y^3)^x=y^3/2 | | 23!/21! | | 2.25r-14.75=45.75 | | (-5x^4+8x^3-2)+(x^2-5)-(x^4+x+3)= |