If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2x^4-2=-20
We move all terms to the left:
-2x^4-2-(-20)=0
We do not support expression: x^4
| -2x-(-16+7x)=-20 | | 8y=-14-3(-2) | | (z+9)(z+4)=0 | | 548/29.50x=2023 | | x+0.83x+0.5x=1 | | 12x-(-14-3x)=-16 | | 548/29.50=x | | 3x-18-4=6x+24 | | 7n^2-6=-26 | | 1/2n=127 | | 5(3z-7z+4)=20 | | 2y+8=3y-7 | | -5y+3=2(4y+12 | | 7x | | 7x | | (x-3)/2x-7=0 | | 12/3=x+2/3 | | -4(-3n-8)=10n+44 | | 4(x-9)+7=3 | | 16(2/4x+10)=16(x/8+119/8) | | 9x+4-2x=5(x-2) | | -21/2=2w | | 2*s=11 | | -5+x=-71/3 | | x+(66-x)=180 | | 7x+15=9x+27 | | 64/100=x/32 | | |x+5|+|4x-3|=28 | | n2-n=110 | | 45=58-8g | | z/12/9=27 | | 25=5x+35 |