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 = 0
X^2 = 0
X^2 = 0
1*X^2 = 0 // : 1
X^2 = 0
X = 0
X in (-oo:0) U (0:+oo)
(X^2-64)/(X^2) = 0
1*X^2 = 64 // : 1
X^2 = 64
X^2 = 64 // ^ 1/2
abs(X) = 8
X = 8 or X = -8
X in { 8, -8 }
| 3x/5=8/9 | | sin(x-40)=cos(x-10) | | 7w=9w | | 5w=3w | | sin(x-10)=cos(x-10) | | 300-0/0.5 | | 1.8-1.0/0.03 | | 96-5x=-44 | | 3(2x-7)+4=5x-12 | | 6x-3=2(x-5) | | 27+4*5x=263 | | Y=(2x+4)(x+6) | | Y=2(x+2)(x+6) | | 85+x+14=3x-5 | | 4x^2-9=(2x+3)*(3x-5) | | a=2piRd | | 45+4x-3=6x-4 | | 4x^2-9=(2x+3)(3x-5) | | 1/10=10/k | | 2/4=r/8 | | 0x+7=0 | | 3/4=r/8 | | 7cos(t)-10sin(t)=0 | | 2x^3-9x-1=0 | | 100/104*8580 | | 100/104*8250 | | y=2sin(x)+4cos(x) | | x+10=1.5x | | 1-(x-7)/2=y | | 3x+12+5x-8=4x+18-3x-2 | | 1-p=p-1 | | 4m-6=3-5m |