If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X in (-oo:+oo)
-X = 2/5 // - 2/5
-X-(2/5) = 0
-X-2/5 = 0
-X-2/5 = 0 // + 2/5
-X = 2/5 // * -1
X = -2/5
X = -2/5
| 9x^2-45x=0 | | 2x+2x+14=354 | | 128+47=h | | 2x+2x-14=354 | | 10d+6=3D+20 | | 2x^2-9x+10=3 | | 3x/7=9/14 | | (y)(dy/dx)=tan(5x) | | 10e=x | | 10n^2+93n-70=0 | | 25x+140=15 | | 12d^3+4d^2=0 | | 2x+10+4x+7+7x-3+2x+1=180 | | -2x^2-2x+60=0 | | 34-15=r | | 3x+30=12x-70 | | S=3n-1 | | y*dy/dx=tan(5x) | | 16c^2+4c=0 | | 3z+5i-2=iz-2i | | -8x^2+7x+6=2 | | 4g^3+4g^2=0 | | 47=4w+11 | | cosine^2(x)=0.48 | | 1605-855=d | | -5,4+t=4,85 | | 12x^2-2x-3=0 | | 3(x+11)+7x=10x-33 | | 6x^2-7x+6=4 | | 12q^3+2q=0 | | 4x=7j | | 20=h/10 |