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-1)^2 = 0
y = 0
y = 0
(y-1)^2 = 0
(y-1)^2 = 0
y-1 = 0 // + 1
y = 1
y in (-oo:0) U (0:1) U (1:+oo)
4/y-(1/((y-1)^2)) = 13/12 // - 13/12
4/y-(1/((y-1)^2))-(13/12) = 0
4/y-(y-1)^-2-13/12 = 0
4/y-1/((y-1)^2)-13/12 = 0
(-1*12*y)/(12*y*(y-1)^2)+(4*12*(y-1)^2)/(12*y*(y-1)^2)+(-13*y*(y-1)^2)/(12*y*(y-1)^2) = 0
4*12*(y-1)^2-13*y*(y-1)^2-1*12*y = 0
48*y^2-13*y^3+26*y^2-108*y-13*y+48 = 0
74*y^2-13*y^3-121*y+48 = 0
74*y^2-13*y^3-121*y+48 = 0
74*y^2-13*y^3-121*y+48 = 0
{ 1, -1, 2, -2, 3, -3, 4, -4, 6, -6, 8, -8, 12, -12, 16, -16, 24, -24, 48, -48 }
1
y = 1
74*y^2-13*y^3-121*y+48 = -12
1
-1
y = -1
74*y^2-13*y^3-121*y+48 = 256
-1
2
y = 2
74*y^2-13*y^3-121*y+48 = -2
2
-2
y = -2
74*y^2-13*y^3-121*y+48 = 690
-2
3
y = 3
74*y^2-13*y^3-121*y+48 = 0
3
y-3
35*y-13*y^2-16
74*y^2-13*y^3-121*y+48
y-3
13*y^3-39*y^2
35*y^2-121*y+48
105*y-35*y^2
48-16*y
16*y-48
0
35*y-13*y^2-16 = 0
DELTA = 35^2-(-16*(-13)*4)
DELTA = 393
DELTA > 0
y = (393^(1/2)-35)/(-13*2) or y = (-393^(1/2)-35)/(-13*2)
y = (393^(1/2)-35)/(-26) or y = (393^(1/2)+35)/26
y in { (393^(1/2)-35)/(-26), (393^(1/2)+35)/26, 3}
(y-((393^(1/2)-35)/(-26)))*(y-((393^(1/2)+35)/26))*(y-3) = 0
((y-((393^(1/2)-35)/(-26)))*(y-((393^(1/2)+35)/26))*(y-3))/(12*y*(y-1)^2) = 0
((y-((393^(1/2)-35)/(-26)))*(y-((393^(1/2)+35)/26))*(y-3))/(12*y*(y-1)^2) = 0 // * 12*y*(y-1)^2
(y-((393^(1/2)-35)/(-26)))*(y-((393^(1/2)+35)/26))*(y-3) = 0
( y-((393^(1/2)+35)/26) )
y-((393^(1/2)+35)/26) = 0 // + (393^(1/2)+35)/26
y = (393^(1/2)+35)/26
( y-((393^(1/2)-35)/(-26)) )
y-((393^(1/2)-35)/(-26)) = 0 // + (393^(1/2)-35)/(-26)
y = (393^(1/2)-35)/(-26)
( y-3 )
y-3 = 0 // + 3
y = 3
y in { (393^(1/2)+35)/26, (393^(1/2)-35)/(-26), 3 }
| x+1/y=28 | | 5x+8=-34 | | x-12=2-x | | y=1907 | | 9x-3=-21 | | 4x+1/2=3x-2/5 | | X-24=-5 | | 4x+9=432 | | 15=8x-x^2 | | 5x-16-x+1=-x+8 | | (2x/0.3)+(8/3)-((1.4-3x)/0.2)=0 | | 50+4x-0.03x^2=0 | | x+y+z=15 | | 8y=8x+3z | | (12x^2)/(4x^2) | | X^2+22x=105 | | X^2+22x=-105 | | X^2-22x=105 | | x(4x+5)=0 | | X^4-x^3-9x^2-11x-4=0solve | | 1/x=3-2/x+1 | | (2y*2y-3x)+2z= | | 1*x=3-2*x+1 | | (3X+5*4)=5*(4X-4) | | 5+3X=X-1 | | 2(3x-9)=equation | | a*1+3*b=3*z | | (2c-8)(-4)=equation | | -(2k-11)=equation | | 20+3x+x=360 | | x^5+x^4+x^3+x^2+1/(x+1)=0 | | 20+3x+x=90 |