If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
3/y+2 = 6/y+4 // - 6/y+4
3/y-(6/y)-4+2 = 0
3/y-6*y^-1-4+2 = 0
-3*y^-1 = 2 // : -3
y^-1 = -2/3
-1 < 0
1/(y^1) = -2/3 // * y^1
1 = -2/3*y^1 // : -2/3
-3/2 = y^1
y = -3/2
y = -3/2
| Y=14x^2+8x-1 | | r^2+r-603=0 | | 3-4(5-7)= | | d/7=-4/28 | | Y=-6x-x^2+5 | | 5m/7=35 | | 5x/12=10 | | 3/4=75/x | | x/4=75/100 | | (-2m)(-3/4)*2/3+3+1/2*(-3/4) | | 2(3x-4)=38 | | 6/2x-(3-4x)=2/3 | | 3*6=2(6x-3) | | 271=1.36x^2+27.8x | | 575=1.36x^2+27.8x | | 1-7n=n+2n+16 | | 45x+65=34x+5 | | 8=3+x-4 | | 4(B-2)=2B+10 | | -2+2x=6x-6 | | 2x^2-x+45=0 | | x(x+6)=40x^2 | | 2/3r=5/9 | | x(x+6)=40m^2 | | 3t^2+9t-12=0 | | x(x-3)-28=0 | | =24x^2+4x^5+16x^4+8x^3 | | 43p-22=18p+28 | | x-4-3x-6=14 | | 2+m=5+7m | | -x+1.5+5x=41.5 | | x+x+1.6x=13 |