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-3 = 0
x-3 = 0
x-3 = 0
x-3 = 0 // + 3
x = 3
x in (-oo:3) U (3:+oo)
(2*x^2-(5*x)-5)/(x-3) = 0
(2*x^2-5*x-5)/(x-3) = 0
2*x^2-5*x-5 = 0
2*x^2-5*x-5 = 0
DELTA = (-5)^2-(-5*2*4)
DELTA = 65
DELTA > 0
x = (65^(1/2)+5)/(2*2) or x = (5-65^(1/2))/(2*2)
x = (65^(1/2)+5)/4 or x = (5-65^(1/2))/4
(x-((5-65^(1/2))/4))*(x-((65^(1/2)+5)/4)) = 0
((x-((5-65^(1/2))/4))*(x-((65^(1/2)+5)/4)))/(x-3) = 0
( x-((5-65^(1/2))/4) )
x-((5-65^(1/2))/4) = 0 // + (5-65^(1/2))/4
x = (5-65^(1/2))/4
( x-((65^(1/2)+5)/4) )
x-((65^(1/2)+5)/4) = 0 // + (65^(1/2)+5)/4
x = (65^(1/2)+5)/4
x in { (5-65^(1/2))/4, (65^(1/2)+5)/4 }
| (1/2k-6)(k-4/7) | | 20v-16v-1=15 | | Sinx=.95 | | 8v+5v-11v-1=17 | | 1-4z=21 | | 2d=9/6=11 | | 10t-2t-7=1 | | 6x-(-3x)+-3x+(-12)=-18 | | X-(x*0.3)=8.96 | | (-4)+4(-2)= | | 12=4(2h-5) | | 2(-4)+(-2)= | | 8v-7v=17 | | x7z5/xz4 | | -14n-(-11n)+n=6 | | 56=5u+3u | | -6n+8+n-7n=-14n+2+4n | | 24x+4+2x=3(32+x) | | -4/5-9=-4 | | 63=15u-8u | | 5(x+5)+x=2(x+3)+6 | | -4n+16=-3n-10 | | 7d+11d+-11d(-11)=-17 | | 625=-16x^2 | | 5(x+2)-(x+3)=15 | | f(x)=-x^2-4x-5 | | 9h+0=90 | | 4x+9+2(x+3)=12x-5-2x | | 200+124x=176 | | -8-(-4t)+5t-8=5 | | -2(x+5)+4=3(x+3)+6 | | 3y=-2+15 |