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-(9*x)-10 = 0
x^2-(9*x)-10 = 0
x^2-(9*x)-10 = 0
x^2-9*x-10 = 0
x^2-9*x-10 = 0
DELTA = (-9)^2-(-10*1*4)
DELTA = 121
DELTA > 0
x = (121^(1/2)+9)/(1*2) or x = (9-121^(1/2))/(1*2)
x = 10 or x = -1
x in (-oo:-1) U (-1:10) U (10:+oo)
(x-5)/(x^2-(9*x)-10) = 0
(x-5)/(x^2-9*x-10) = 0
x^2-9*x-10 = 0
x^2-9*x-10 = 0
DELTA = (-9)^2-(-10*1*4)
DELTA = 121
DELTA > 0
x = (121^(1/2)+9)/(1*2) or x = (9-121^(1/2))/(1*2)
x = 10 or x = -1
(x+1)*(x-10) = 0
(x-5)/((x+1)*(x-10)) = 0
x-5 = 0 // + 5
x = 5
x = 5
| 0.8y=-104 | | 12b+18=4+5c | | 75=0.5x+x | | -4(2t+8)=-48 | | x^3-2x^2+5x=10 | | 2y+4=-6x | | 10x-2y=14x+8y | | 30/142 | | 1/3x=80 | | 8x-5(2-x)=16 | | 2(t+5)+4=20 | | -3x+6y=30 | | 10-25x+12+26X=0 | | -6x+5x+19-11x= | | 6x=7x-5 | | -10(s+3)=-111 | | -21=12 | | 4.5=(8/3)[1.03/(x-.3)]-(3/x^2) | | X^2+x-136=0 | | 3p-2(p-1)=18 | | (5-y)*y=-24 | | 2t+5+4=20 | | x-8.5=-6.6 | | x/7=1-x/8 | | 2(x-6)-11=18x-151 | | X*X+4x-42=0 | | 5=6-12x | | 7x-9w+3x+6y+3y+5w= | | (3x^2+4x)=(10x+45) | | 1=8.5x-10x^2+4x^3-.5x^4 | | 8.9-(-40.59)= | | 2(3s+3)=30 |