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)
(7*x^39)/14 = 0
1/2*x^39 = 0 // : 1/2
x^39 = 0
x = 0
x = 0
| 6t+7=4t+13 | | 12(k-8)=84 | | 300y-6y^2=4y^2 | | 3x+7=1x+20 | | 8(2f-2)=7(3f-2) | | 5x+14-2x=22 | | 4y^2=0 | | 2.49=1.24-11.17 | | (x^2)-(1/x) | | 2z/2-17/3=2z/3-3/2 | | 300y-6y^2=0 | | X^2+2x-315=0 | | f(-1)f(x)=-2x | | 4y+2x=68 | | p=540/8.5 | | -7+6=48 | | (2x+1.50)0.15=11.50 | | (n-2)180=2880 | | -3+y/5=2 | | -19+r=7 | | 6(2x+10)=4x+60+8x | | 90=k/6 | | 2/3j=-23 | | 6(n+4)=-14/8 | | 15+u-22=9(9) | | 6(2x+10)=4x+60 | | -15n/4=15/2 | | 10.50a+3.75*82=2071.50 | | 3x+15x=63 | | 3x+172=8x+184 | | 1+12=x | | 6(n+4)=-16/8 |