If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x4+-8x^2+x+12=0
We add all the numbers together, and all the variables
-8x^2+x^4+x=0
We do not support expression: x^4
| y+55=31 | | X=y-40 | | 2x+6=-154 | | 3+w/12=11 | | 3^x^2/3^2x=27 | | b×7=21 | | 5/2(j+40)=−4 | | 4x2+x=135 | | 5l*5=180 | | Y=2x+4(1,6) | | 48=8+r | | -6x+5=3x+12 | | 32-7v=6(-v+4)-3v | | –17=–6+2a+7 | | 4x-2(x-2)=18 | | -v=-10.98 | | 10.4+x=2.6 | | -10x-6(-10)=-10 | | -6x-4(-2x+4)=-28 | | Y=-0.5x+60 | | -11+n=-11 | | 2/5(x+4)-7=-16 | | y+-0.81=-4.91 | | 6+x-8=16 | | Y=1.06x+1.33 | | 4.6x-4.8=13.6-6.8x | | 5(n+1)=+2 | | s-2.9=13.5 | | 126+131+x=180 | | -9b=819 | | 14x-7=27 | | 9w–9=–18 |