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)
((8/9)*x^6)/7 = 0
8/63*x^6 = 0 // : 8/63
x^6 = 0
x = 0
x = 0
| 10x^2+x=140 | | 2y+(25-10)=25 | | 4cosx^2-6sinx-6=0 | | 7.56-h=4.55 | | -22+2x=4x-6(x+5) | | 5(2m+3)=(-15) | | 50q-29q=21 | | x+3+x+3=(-x+4)+(3x-2) | | 7(3-4)+u=5-2u | | 6x+20=40 | | 4(cosx^2)-(6sinx)-6=0 | | 1x+2y+6=0 | | U=49n+187 | | 10x-5y+12=0 | | 8+x=2y | | -7(4x-5)=11 | | 12x+24=12 | | 39+4x=107 | | 3x+y=9+x | | x/-9-1=3 | | 1x^2-5x+3=0 | | K-8=3+3 | | (M+3)(2m+9)= | | X/10=39 | | 3(x+2)-(x-1)=3(3-4) | | -1-4q=-4q | | (8+6i)-(9-3i)=0 | | 10z-10z=0 | | X(squared)+X(squared)=5 | | H/h/10=-22/5 | | 2u^2+13=11 | | -43+10x=117 |