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+2 = 0
x-1 = 0
x+2 = 0
x+2 = 0
x+2 = 0 // - 2
x = -2
x-1 = 0
x-1 = 0
x-1 = 0 // + 1
x = 1
x in (-oo:-2) U (-2:1) U (1:+oo)
2/(x+2)+3/(x-1) = -8/5 // + -8/5
2/(x+2)+3/(x-1)-(-8/5) = 0
2/(x+2)+3/(x-1)+8/5 = 0
(2*5*(x-1))/(5*(x+2)*(x-1))+(3*5*(x+2))/(5*(x+2)*(x-1))+(8*(x+2)*(x-1))/(5*(x+2)*(x-1)) = 0
2*5*(x-1)+3*5*(x+2)+8*(x+2)*(x-1) = 0
8*x^2+25*x+8*x-16+20 = 0
8*x^2+33*x+4 = 0
8*x^2+33*x+4 = 0
8*x^2+33*x+4 = 0
DELTA = 33^2-(4*4*8)
DELTA = 961
DELTA > 0
x = (961^(1/2)-33)/(2*8) or x = (-961^(1/2)-33)/(2*8)
x = -1/8 or x = -4
(x+4)*(x+1/8) = 0
((x+4)*(x+1/8))/(5*(x+2)*(x-1)) = 0
((x+4)*(x+1/8))/(5*(x+2)*(x-1)) = 0 // * 5*(x+2)*(x-1)
(x+4)*(x+1/8) = 0
( x+1/8 )
x+1/8 = 0 // - 1/8
x = -1/8
( x+4 )
x+4 = 0 // - 4
x = -4
x in { -1/8, -4 }
| 12-14k-2k=-4 | | 7X+65=7X | | -17/50+19/50= | | z^2-3/2z+9/16=0 | | 7x+6y=199 | | (2/(x+2))+(3/(x-1))=-8/5 | | 5(3x+5)-4=-8 | | -74P=-P | | 6(x-1)=2(5+3x) | | 14(2b+3)= | | 8-x-5x=32 | | (-9x-1)(-1x-1)= | | (am+an)(am+an)= | | -13=-7x+6*5 | | n+2/3=-19/12 | | x+1/12=x/10 | | 5-(t+3)=1+2(1-3) | | x^4=1.62 | | (4m^5+5n^6)(4m^5+5n^6)= | | (1/2)(8-16y)=x | | -9n-n=0 | | -5=-2(x+7) | | 4(x+9)+6= | | (7x+11)(7x+11)= | | 17=7-5/6x | | -16r-28=-4(3r+10) | | 1inch= | | 3/5x=-45 | | 5x-3=x+12 | | 5x-3=x+2 | | -7x+4(x-3)=9 | | -1x+12+3x+1=6x+18 |