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^2-98 = 0
2*x+14 = 0
x^2-(14*x)+49 = 0
2*x^2-98 = 0
2*x^2-98 = 0
2*x^2 = 98 // : 2
x^2 = 49
x^2 = 49 // ^ 1/2
abs(x) = 7
x = 7 or x = -7
2*x+14 = 0
2*x+14 = 0
2*x+14 = 0 // - 14
2*x = -14 // : 2
x = -14/2
x = -7
x^2-(14*x)+49 = 0
x^2-(14*x)+49 = 0
x^2-14*x+49 = 0
x^2-14*x+49 = 0
DELTA = (-14)^2-(1*4*49)
DELTA = 0
x = 14/(1*2)
x = 7 or x = 7
x in (-oo:-7) U (-7:7) U (7:+oo)
x/(x^2-(14*x)+49)-(1/(2*x+14)) = x/(2*x^2-98) // - x/(2*x^2-98)
x/(x^2-(14*x)+49)-(1/(2*x+14))-(x/(2*x^2-98)) = 0
x/(x^2-14*x+49)-(2*x+14)^-1-(x/(2*x^2-98)) = 0
x/(x^2-14*x+49)-1/(2*x+14)+(-1*x)/(2*x^2-98) = 0
x^2-14*x+49 = 0
x^2-14*x+49 = 0
x^2-14*x+49 = 0
DELTA = (-14)^2-(1*4*49)
DELTA = 0
x = 14/(1*2)
x = 7 or x = 7
(x-7)^2 = 0
x/((x-7)^2)-1/(2*x+14)+(-1*x)/(2*x^2-98) = 0
(x*(2*x+14)*(2*x^2-98))/((x-7)^2*(2*x+14)*(2*x^2-98))+(-1*(x-7)^2*(2*x^2-98))/((x-7)^2*(2*x+14)*(2*x^2-98))+(-1*x*(x-7)^2*(2*x+14))/((x-7)^2*(2*x+14)*(2*x^2-98)) = 0
x*(2*x+14)*(2*x^2-98)-1*(x-7)^2*(2*x^2-98)-1*x*(x-7)^2*(2*x+14) = 0
2*x^4-2*x^4+56*x^3+14*x^3-196*x^2+98*x^2-2744*x-686*x+4802 = 0
70*x^3-98*x^2-3430*x+4802 = 0
70*x^3-98*x^2-3430*x+4802 = 0
14*(5*x^3-7*x^2-245*x+343) = 0
5*x^3-7*x^2-245*x+343 = 0
{ 1, -1, 7, -7, 49, -49, 343, -343 }
1
x = 1
5*x^3-7*x^2-245*x+343 = 96
1
-1
x = -1
5*x^3-7*x^2-245*x+343 = 576
-1
7
x = 7
5*x^3-7*x^2-245*x+343 = 0
7
x-7
5*x^2+28*x-49
5*x^3-7*x^2-245*x+343
x-7
35*x^2-5*x^3
28*x^2-245*x+343
196*x-28*x^2
343-49*x
49*x-343
0
5*x^2+28*x-49 = 0
DELTA = 28^2-(-49*4*5)
DELTA = 1764
DELTA > 0
x = (1764^(1/2)-28)/(2*5) or x = (-1764^(1/2)-28)/(2*5)
x = 7/5 or x = -7
x in { -7, 7/5, 7}
14*(x+7)*(x-7/5)*(x-7) = 0
(14*(x+7)*(x-7/5)*(x-7))/((x-7)^2*(2*x+14)*(2*x^2-98)) = 0
(14*(x+7)*(x-7/5)*(x-7))/((x-7)^2*(2*x+14)*(2*x^2-98)) = 0 // * (x-7)^2*(2*x+14)*(2*x^2-98)
14*(x+7)*(x-7/5)*(x-7) = 0
( x+7 )
x+7 = 0 // - 7
x = -7
( x-7/5 )
x-7/5 = 0 // + 7/5
x = 7/5
( x-7 )
x-7 = 0 // + 7
x = 7
x in { -7}
x in { 7}
x = 7/5
| ?3x=?x-4 | | 6xx+4=(x-1) | | 5/a+4-2/a-7=0 | | x=15.2 | | 5x+6=5-4x | | 3x-9=10x+2 | | 2x-9=3x+17 | | 14=2x-x/4 | | 14=2x-1/4 | | b^2+49+14b+b^2=25 | | 0=0.1x^2+3x | | 0=x(-0.1x+3) | | 0=x(0.1x+3) | | x^(2/3) | | 3(5-x/3)=x-20 | | 2x-4y-2=0 | | (2*ln(x)+4)*(x^2-9)=0 | | -12x-3=-10x-9 | | =8g+5g-4h | | =d-3e+7d | | =6b-2b+3c+5c | | ax^2-c=0 | | 2x^2+5y^2-35=0 | | x(x+6)=140 | | 7(2+x)=6x+20 | | (7x)+28= | | 4y^2=21y+18 | | r/7+1=-3 | | 3k+12=-6 | | 2g-9=-17 | | 4g+1=-11 | | 6f-3=-3 |