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)
((1/4)*x^13)/8 = 0
1/32*x^13 = 0 // : 1/32
x^13 = 0
x = 0
x = 0
| (7x-27)(4x+12)= | | 6+2x+2x=27 | | 5m^2-16m+20=0 | | (6/5)(k)+(-8/7)=(-9)-(1/8)(k) | | 8.74=4-2q | | 16X^2+9Y^2=50 | | -11.11=k/2-8 | | 5d-(1/2)(2d-4)=(-5/4)(d+4) | | 6z-7=2z-3 | | x^3-6x-40=0 | | 9/840 | | 15.3-2d=11.3 | | (7x-27)= | | 15x+20-10x-9=25x+8-2x-7 | | 7(6+w)=6(2-w) | | -8-5y=17 | | -7-r=3.5 | | (3x+6)90= | | 6+2=711 | | n/2-5.7=-2.9 | | n/2-5.7=2.9 | | 3x^2=10x+48 | | x^2+x/2x^2+2x | | -(-5)+5= | | -16t^2+32t+128= | | sqrtx+21=x+1 | | (1/2)(y)+2=(1/9)(y) | | X^2-14x=729 | | 9x(12+-8x+x^2)= | | 20x^2+15=0 | | y^2-9y+15= | | 160,000=(x+(x/2)) |