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
| 78+z=100 | | f(b)=b^2+13b+40 | | x^2-4x+19=-5 | | 2l+8w=60 | | 26=-9+3(b-6) | | 8x-8=2x+6 | | -2x^2+37x+60=0 | | 4y+16x=-4 | | 2m+n-6m+11n= | | 3/7=5/4 | | logx^8=-1 | | -22x=-16 | | 480/100=a | | 11/x=132 | | 3x+2x=7x+14 | | 6g^2+9g+8=0 | | (4x-3)(4x+5)= | | 5.9/100=a | | 10+3x+x=13 | | 2(3k+1)-3(k-1)= | | 64x^3-125s^3=0 | | (y^10/2x^3)*(20x^14/xy^16) | | 6-y=-2.3 | | 35x+5=60 | | .16/100=a | | 24+12x=36+8x | | -8+4=-40 | | .24x^3+9x-584=0 | | 3a-5+4a=2a+15 | | 11y^4-49=0 | | x^2+20z+150=0 | | 2x+5+4x-7= |