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+3 = 0
6/(y+3) = 0
y+3 = 0
y+3 = 0
y+3 = 0 // - 3
y = -3
6/(y+3) = 0
6/(y+3) = 0
y in (-oo:-3) U (-3:+oo)
((3*y)/(y+3))/(6/(y+3)) = 4 // - 4
((3*y)/(y+3))/(6/(y+3))-4 = 0
(3*y*(y+3))/(6*(y+3))-4 = 0
(3*y*(y+3))/(6*(y+3))+(-4*6*(y+3))/(6*(y+3)) = 0
3*y*(y+3)-4*6*(y+3) = 0
3*y^2-15*y-72 = 0
3*y^2-15*y-72 = 0
3*(y^2-5*y-24) = 0
y^2-5*y-24 = 0
DELTA = (-5)^2-(-24*1*4)
DELTA = 121
DELTA > 0
y = (121^(1/2)+5)/(1*2) or y = (5-121^(1/2))/(1*2)
y = 8 or y = -3
3*(y+3)*(y-8) = 0
(3*(y+3)*(y-8))/(6*(y+3)) = 0
(3*(y+3)*(y-8))/(6*(y+3)) = 0 // * 6*(y+3)
3*(y+3)*(y-8) = 0
( y+3 )
y+3 = 0 // - 3
y = -3
( y-8 )
y-8 = 0 // + 8
y = 8
y in { -3}
y = 8
| 8+(14/(a-2))=(7a)/(a-2) | | 5+y=-4y | | (x-2)(x+11)=0 | | a+2a+x=14 | | x^4-6x^3+5x^2-24x+36=0 | | a=4.905x^2+20x | | t^2-5t+125=0 | | a=4.905(x^2)+20x | | x+1/4=71/12 | | 2x+x=20000000 | | 1/2-3/x=5/x | | 2t^4=-250t | | 3.5/3 | | (x/3)+3=8 | | 31/2/3/9 | | (3x^2-8x-3)/(9x^3+3x^2+3x+1) | | 4x-1+3=3 | | b=x-a | | (1/7)/(5/7) | | 4+3=-2 | | a^3-32a/(-8a) | | (56r-3r^2)=0 | | x+80/2=65 | | 3/4+24 | | ay-b=cz | | 6w^3v^4= | | 35x^2=-x+12 | | 9(x-8.1)=6.3 | | 75x^2+5x-2=8 | | 3x+61.5=180 | | 3.7t+2.64=-11.79 | | 3.7t+2.64=-1.79 |