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-(5*x)-3 = 0
2*x^2-(5*x)-3 = 0
2*x^2-(5*x)-3 = 0
2*x^2-5*x-3 = 0
2*x^2-5*x-3 = 0
DELTA = (-5)^2-(-3*2*4)
DELTA = 49
DELTA > 0
x = (49^(1/2)+5)/(2*2) or x = (5-49^(1/2))/(2*2)
x = 3 or x = -1/2
x in (-oo:-1/2) U (-1/2:3) U (3:+oo)
(x^2-9)/(2*x^2-(5*x)-3) = 0
(x^2-9)/(2*x^2-5*x-3) = 0
2*x^2-5*x-3 = 0
2*x^2-5*x-3 = 0
DELTA = (-5)^2-(-3*2*4)
DELTA = 49
DELTA > 0
x = (49^(1/2)+5)/(2*2) or x = (5-49^(1/2))/(2*2)
x = 3 or x = -1/2
(x+1/2)*(x-3) = 0
(x^2-9)/((x+1/2)*(x-3)) = 0
1*x^2 = 9 // : 1
x^2 = 9
x^2 = 9 // ^ 1/2
abs(x) = 3
x = 3 or x = -3
x in { 3}
x = -3
| 7x-21=-49 | | 110-4x=5-9x | | 6x+2=-12 | | 12*2-2y=-24 | | 0.5n+17+n=30 | | (2x-2)(2x+9)= | | n/-7-2=10 | | 12(-2)-2y=-24 | | m(9)+4=58 | | 12x-2y=-24 | | x=x^2+6x+5 | | 8+5x=7x+4 | | 8x-34=2x+3 | | x/x-2+3=2x-2 | | 6686754=6667y | | -6x-24=0 | | X^2+23+30=0 | | n^2-42=n | | .25(12+4x)-.5(12+2x)= | | X^2-x-20=-8 | | w+w-4=32 | | 2a*a=12a | | 4x^2-27x+44=-2x+8 | | 5x-6(x-8)=20 | | 1/4=8^4x-3 | | 3+3=18 | | 4g-2+3g+7-8y= | | 0.5m+6.4=4.9+-0.1m | | 4a+6b=11 | | X+h=3664 | | 5+4m/4=4m/2 | | 17(3x)=41 |