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)
((1/2)*x^4)/7 = 0
1/14*x^4 = 0 // : 1/14
x^4 = 0
x = 0
x = 0
| 30=5(c+3) | | 9x^2-6x-7.3=0 | | 8(m+3)=8m+24 | | 9x^2-6x+0=0 | | x-(x*0.25)=1.5 | | 2logx=2+log(log-16) | | 5(n-83)-(-59)=69 | | 5x+(-3)=4 | | -9+6x=3+3x | | 4(k+5)-17=63 | | (2-u)(5u-7)=0 | | 3509a-2750=7 | | 3x^2+17x+28=0 | | 5/5=25 | | 3y^2+17=0 | | t=1/6ya | | 19x+11y=-3 | | 2+6a=8a-6 | | 2r^2-8r+7=0 | | 18x-20y=150 | | -4(v+10)=60 | | 2.5k(4k+2)=12k | | 7.4x=10.9 | | 5(d+4)+2=67 | | 3x^2-5x+2=x-1 | | 7.4x=8.3 | | 2x+2+6x=6x-8 | | 3x/x^2-2x | | 6(8-3*2)= | | 2(x+1)=3(x+2)+6 | | 2-2x-5=3-5x | | -1.25+0.26x=0 |