If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
((2*f^2*(f^4)^2)/8)*f^12 = 0
1/4*f^22 = 0 // : 1/4
f^22 = 0
f = 0
f = 0
| 5x-3y=15fory | | -7x-9=131+7x | | 7x^2-2x-k=0 | | 4v+5(v+3)=33 | | 3x^2=x^2-18 | | 5y+2(y-6)=2 | | 90*3(x)=5(x) | | 6(w+6)+2w=28 | | (8w^9/9w)(2/w) | | x+7*x*x=8 | | 8w^9/9wx2/w | | 2x+x+12+3x-6=180 | | 10.2x+39.55=-9.8x+38.19 | | 2x+1=1+4x | | 9m^2+27m+1=0 | | u+u+eu=ue | | 19x-18-11x=4(2x-5)+2 | | 2x+11=1+4x | | x+7=-5x+25 | | 125x^3= | | 25y^2x^2+60yx^2+36x^2= | | 0=4x^2+40x-156 | | 2+-2x+x=x-.5 | | 2z^2+11z+5= | | 7x+6=5(x+2) | | 86/100=5/x | | 2+-1=x+-.5 | | 12-8X=10+8X | | -2x-(-4)=11 | | 24+32= | | 64y^6= | | 3(2x+4)=2(2x-5) |