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+3*x-4 = 0
x^2+3*x-4 = 0
x^2+3*x-4 = 0
x^2+3*x-4 = 0
DELTA = 3^2-(-4*1*4)
DELTA = 25
DELTA > 0
x = (25^(1/2)-3)/(1*2) or x = (-25^(1/2)-3)/(1*2)
x = 1 or x = -4
x in (-oo:-4) U (-4:1) U (1:+oo)
(x^2-(4*x)-5)/(x^2+3*x-4) = 0
(x^2-4*x-5)/(x^2+3*x-4) = 0
x^2-4*x-5 = 0
x^2-4*x-5 = 0
DELTA = (-4)^2-(-5*1*4)
DELTA = 36
DELTA > 0
x = (36^(1/2)+4)/(1*2) or x = (4-36^(1/2))/(1*2)
x = 5 or x = -1
(x+1)*(x-5) = 0
x^2+3*x-4 = 0
x^2+3*x-4 = 0
DELTA = 3^2-(-4*1*4)
DELTA = 25
DELTA > 0
x = (25^(1/2)-3)/(1*2) or x = (-25^(1/2)-3)/(1*2)
x = 1 or x = -4
(x+4)*(x-1) = 0
((x+1)*(x-5))/((x+4)*(x-1)) = 0
( x+1 )
x+1 = 0 // - 1
x = -1
( x-5 )
x-5 = 0 // + 5
x = 5
x in { -1, 5 }
| 0/(-5)=n | | -(9*9*9*9)=n | | (2x+6)(3x+6)=0 | | (x^2+6x+9)+(6x-8)= | | 7x^2-60x-100=0 | | 35/15=7/y | | 3x+2(114/11)=57 | | 3((38+y)/4)+2y=57 | | y=25x+5z | | (1/36)+(1/45) | | 95-(-27)=n | | (1/36)+(1/45)-(1/90) | | 6.5+1.2x=0.5-0.3x | | 17+(-45)+16+30+(-79)=n | | -5y+27=6y-6 | | 3(13)-3y=-19 | | x^2-2x-2= | | 10=-4(3x+20)+13x | | 17+(-45)+16+30+(-79)= | | 25-31-5n=n | | (3x)(4x)= | | x^2-x-2=x^2-66x+x^2+64 | | 2x-9+-3(3x+10)= | | 5u+6(30/7)=40 | | -y^2=-10y+25 | | (4)(x-10)=0 | | 5x+2x-12= | | 9(5-5x)=9+2(7-x) | | (3x+2)(x-8)=0 | | 3(29-5y)-4y=11 | | -0.02x^2+0.8x+37= | | 25x^4-144x^2=0 |