If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x^8-(3x^2+7)=0
We do not support expression: x^8
| 91x=101 | | .9x-18=830 | | .6(3a-2)+5a=57 | | 4*3x+4=108 | | -15=3y+9 | | -6x-9+7=-20 | | T=35w+50 | | -1/6y+8=-4-2/6y | | 10-9m=1-12m | | 11x-14=90 | | -(2.713)^(-x)+2(2.713)^(2x)=0 | | 2n=1.6=17.6 | | 2.3t=+ | | 4^x-5=16^3x-31 | | x+(x*1.05)+(x*1.05*1.18)=665.58 | | x+(x*0.05)+(x*0.05*0.18)=665.58 | | T=3s+27 | | -5(-2x+4)=-80 | | 1.5x+2x+x=x+12-1.5x+8+16-2x | | x/2+7/2=5/3-x | | 8x-9x-25=-25 | | 139=-v+266 | | 7a/3-B=15 | | 0.5x^2+x-66=0 | | 105=230-v | | -u+125=214 | | 19x+18=19x-18 | | 19x+18=-19x-18 | | 6a^2+32a-24=0 | | R=22.90+0.30m | | 24=3x-10 | | y+1.5=8.4 |