If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
2*x^2-(10*x) = 0
2*x^2-(10*x) = 0
2*x^2-(10*x) = 0
2*x^2-10*x = 0
2*x^2-10*x = 0
DELTA = (-10)^2-(0*2*4)
DELTA = 100
DELTA > 0
x = (100^(1/2)+10)/(2*2) or x = (10-100^(1/2))/(2*2)
x = 5 or x = 0
x in (-oo:0) U (0:5) U (5:+oo)
(x^2-(2*x)-15)/(2*x^2-(10*x)) = 0
(x^2-2*x-15)/(2*x^2-10*x) = 0
x^2-2*x-15 = 0
x^2-2*x-15 = 0
DELTA = (-2)^2-(-15*1*4)
DELTA = 64
DELTA > 0
x = (64^(1/2)+2)/(1*2) or x = (2-64^(1/2))/(1*2)
x = 5 or x = -3
(x+3)*(x-5) = 0
2*x^2-10*x = 0
2*x*(x-5) = 0
x-5 = 0 // + 5
x = 5
2*x*(x-5) = 0
((x+3)*(x-5))/(2*x*(x-5)) = 0
( x+3 )
x+3 = 0 // - 3
x = -3
( x-5 )
x-5 = 0 // + 5
x = 5
x in { 5}
x = -3
| solve(D^2+3*D*D^1+4*D^2)*z=x+siny | | 5.71428571429=x^2+x | | p^2+18p=-81 | | 3z-7=z+3 | | 216+x^3-y^3=0 | | 7x-9=0+6x | | 120x^3y/25xy^5 | | .15x=7.99-x | | A*x^3-B*x^2+C=0 | | 210-4x=6x-30 | | (m+2)(m-6)=0 | | (5x+7)(x-9)=0 | | 1x^4-116x^2+1600=0 | | -x+8=6x-62 | | 2x^3-12x^2-14x=0 | | solvep+q=pq | | sin(2x)=2 | | 10+15x=-6+17x | | 7y+2x=7 | | 16/21=m/60 | | 18x^4-16x^2=0 | | 3ax-2m-7ax=5ax-12m | | 6x^2+49x-381=0 | | 5x+50=125 | | 9y-23=49 | | y=180x/x | | 0=-16x^2+104x+56 | | -5e(n)+9=-18 | | 68=3x-20 | | .22x=6.99-x | | H=-16x^2+104x+56 | | lg(x-5)+lg(25-x)=2 |