If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X^4-2X^3-2X^2+4X+4=0
We do not support eXpression: X^4
| 5x+6=7x-4x | | -3x+8=7-2x | | 5w+13=11w-5 | | O.2y=3 | | 4/4x-1=7 | | -12=5u-7 | | 2,460÷x=60 | | ((9*(x^2))+1)*0,32=1 | | x^2+(85+2)x+170=0 | | 5x+21=3x+7 | | 201/5+d=2 | | 396=1/2h(18+26) | | −7x−3x+2=−8x− | | x^2+3x-85=0 | | 32=12b—4 | | 2x-18=1x+4 | | 2(5x+3)=40 | | 8+5d=-7 | | 2(x+3)=#x-4 | | 3x+4=6x+15 | | 35=(x+5) | | (x-85)(x+85)=0 | | 5x+2x=3-24 | | 17x2+70x=552 | | 30 - 30 =3x 2x | | (2*x-4)*(x-5)=0 | | 4x-17=3x+23 | | x^2-2x=-x^2+2 | | 19r+r=1379 | | 41x-6=45x+16 | | 19r*r=1379 | | 5x=+5 |