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-(5*x)-6 = 0
x^2-(5*x)-6 = 0
x^2-(5*x)-6 = 0
x^2-5*x-6 = 0
x^2-5*x-6 = 0
DELTA = (-5)^2-(-6*1*4)
DELTA = 49
DELTA > 0
x = (49^(1/2)+5)/(1*2) or x = (5-49^(1/2))/(1*2)
x = 6 or x = -1
x in (-oo:-1) U (-1:6) U (6:+oo)
(x^2-(7*x)-8)/(x^2-(5*x)-6) = 0
(x^2-7*x-8)/(x^2-5*x-6) = 0
x^2-7*x-8 = 0
x^2-7*x-8 = 0
DELTA = (-7)^2-(-8*1*4)
DELTA = 81
DELTA > 0
x = (81^(1/2)+7)/(1*2) or x = (7-81^(1/2))/(1*2)
x = 8 or x = -1
(x+1)*(x-8) = 0
x^2-5*x-6 = 0
x^2-5*x-6 = 0
DELTA = (-5)^2-(-6*1*4)
DELTA = 49
DELTA > 0
x = (49^(1/2)+5)/(1*2) or x = (5-49^(1/2))/(1*2)
x = 6 or x = -1
(x+1)*(x-6) = 0
((x+1)*(x-8))/((x+1)*(x-6)) = 0
( x+1 )
x+1 = 0 // - 1
x = -1
( x-8 )
x-8 = 0 // + 8
x = 8
x in { -1}
x = 8
| 6x^3y+15x^2y^3=0 | | (12x-4)/(3x-1) | | (3e+1)(4e-8)=0 | | 4p=7(3p+7) | | (3e+1)(4e-8)=o | | 5+3(2y-1)=2(y-3) | | 5y^6-4y^5+2y^3=0 | | 5t=t/60 | | x^2+x+1=3.64 | | x^2+y^2-3x+8y=20 | | 16t^3-4t=0 | | y=2x+32x+64 | | 4/z | | x-3=3(x-7) | | 2x+32x=-64 | | 6(x-1)=6-1 | | 2x+32x+64=0 | | Y=4x^2+29x+7 | | 6(e+1)+3=2e-7 | | 3y+12=-3x | | (25/36)^(-2/3) | | 0.8d=100 | | 414=18.0 | | d*0.8=100 | | u/9=7 | | 6(x-2)=2(-3+3x) | | 4(x+1.82)=3x | | a=wI | | -4x+8=4x-16-8 | | x^4-22x^2+120=0 | | 136.649+16.4+73.18+2.4878= | | 14+86=15 |