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)
(2/3)*x^6 = -4 // + 4
(2/3)*x^6+4 = 0
2/3*x^6 = -4 // : 2/3
x^6 = -6
x belongs to the empty set
| 18-7(3x-5)=74 | | 2(8x+4x+32)=32x | | 4k^2-12k+5= | | -4(1x+3)=32 | | a=3.14*7.34 | | 100-50L+525=0 | | a=3.14(7.34*7.34) | | Lnx=-7.24 | | a=3.14*14.68 | | -5(x-1-0)=-35 | | (8x+3y+67)=11d | | -6(8+7x)=36 | | 10.00-2.00x=60.00 | | 56=.5*14*h | | 5(y-7)-6=-7(-3y+5)-2y | | 44=50-2(3x+12) | | 2/3x-x=x/15-6/5 | | .285=x+2.05x | | h=56/14 | | (2/52)*(1/51) | | R=6m | | 2x+4+12-8=6*2x | | l-(2+w)=w+5 | | (u^2+3u-28)(6u-18)=0 | | 2/5x-7/20x-2 | | 7x^2-1x-1=0 | | 6r=304 | | 8x+6x+3+9=3x+5+10x | | Y2/3x-4 | | 11v=9v+18 | | -2/3log(5x)-1=-3 | | 2(1x+3)=16 |