If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x4-4x^3-2x^2+12x+11=0
We do not support expression: x^3
| 39-15x=31-5x | | 2x^{2}=502x2=50 | | x/0.2=0.18 | | x/0.2=0.1 | | x-0.15*x=184 | | x-0.15*x=204 | | 3(-6x+4+5)-5=19 | | 2(3x+1)-9(x-5)=0 | | r+8-5r=2(4-2r | | 7x+20=-20 | | 20x+5+4x-7=180 | | -9y+14=4 | | 14-9y=4 | | S=2/3x24 | | X^2+1=20x | | 12j+8j-7j-3j=30 | | 3(2y-1)+2y=-3 | | 3s-3s+4s+10s-8s=36 | | 44v-30v-14v+8v+6=22 | | 3x2+6x-18=-5x | | 15h+2h-13h-3h+2=10 | | 16a-3a-11a-a+2=17 | | 7y+3-2y=1+4y-3 | | 4w+2w-3w-2=10 | | 7x+4x-11x+4x=20 | | 5(6w)=4(3w) | | 6c+6c-9c-1=20 | | 4*3-9y=5 | | 3x-3(-x-1)=3 | | 7-9x=−29 | | 6x+2=2(x-5)÷3 | | 9x+4=x+68 |