If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
4*x+5 = 0
4*x-5 = 0
4*x+5 = 0
4*x+5 = 0
4*x+5 = 0 // - 5
4*x = -5 // : 4
x = -5/4
4*x-5 = 0
4*x-5 = 0
4*x-5 = 0 // + 5
4*x = 5 // : 4
x = 5/4
x in (-oo:-5/4) U (-5/4:5/4) U (5/4:+oo)
1/(4*x+5)+1/(4*x-5) = 1 // - 1
1/(4*x+5)+1/(4*x-5)-1 = 0
(1*(4*x-5))/((4*x+5)*(4*x-5))+(1*(4*x+5))/((4*x+5)*(4*x-5))+(-1*(4*x+5)*(4*x-5))/((4*x+5)*(4*x-5)) = 0
1*(4*x-5)+1*(4*x+5)-1*(4*x+5)*(4*x-5) = 0
8*x-16*x^2+25 = 0
8*x-16*x^2+25 = 0
8*x-16*x^2+25 = 0
DELTA = 8^2-(-16*4*25)
DELTA = 1664
DELTA > 0
x = (1664^(1/2)-8)/(-16*2) or x = (-1664^(1/2)-8)/(-16*2)
x = (8*26^(1/2)-8)/(-32) or x = (-8*26^(1/2)-8)/(-32)
(x-((8*26^(1/2)-8)/(-32)))*(x-((-8*26^(1/2)-8)/(-32))) = 0
((x-((8*26^(1/2)-8)/(-32)))*(x-((-8*26^(1/2)-8)/(-32))))/((4*x+5)*(4*x-5)) = 0
((x-((8*26^(1/2)-8)/(-32)))*(x-((-8*26^(1/2)-8)/(-32))))/((4*x+5)*(4*x-5)) = 0 // * (4*x+5)*(4*x-5)
(x-((8*26^(1/2)-8)/(-32)))*(x-((-8*26^(1/2)-8)/(-32))) = 0
( x-((-8*26^(1/2)-8)/(-32)) )
x-((-8*26^(1/2)-8)/(-32)) = 0 // + (-8*26^(1/2)-8)/(-32)
x = (-8*26^(1/2)-8)/(-32)
( x-((8*26^(1/2)-8)/(-32)) )
x-((8*26^(1/2)-8)/(-32)) = 0 // + (8*26^(1/2)-8)/(-32)
x = (8*26^(1/2)-8)/(-32)
x in { (-8*26^(1/2)-8)/(-32), (8*26^(1/2)-8)/(-32) }
| 4x/x=8/5 | | 34=2(2w-4)+2w | | 0=-5w-18 | | x+x+x=43.5 | | 0.0381*0.23= | | Z-3=14 | | (3x)/(x+2)-(9)/(x-4)=3 | | jy+5c+7z-5z+y=14+7x+4 | | 0.07*0.1= | | 4t-3=-19 | | x/24-5*4=-12 | | 100*4/5 | | 0.07k+0.15(200)=0.09(k+200) | | -6x-19=-19 | | 3x^2-21x-18=3x^2-6x-24 | | x^2+11x+9=4x-3 | | 26=2(2w-5)+2w | | 5x+57=11x+13 | | 15x-24=-18 | | 0=8y-13 | | 258=5r+5(r-51) | | 2x-3=2x+3 | | 14x=5x+81 | | 128*8=x | | 0=-1.5x+2 | | 20-11=f | | 12x=3x+27 | | S+2/6 | | 3x^2-9x-70=14 | | 258=5r+5(r+51) | | 10x=3x+63 | | y=-1.5(0)+2 |