If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X^4+17X^2+57=X^2-6
We move all terms to the left:
X^4+17X^2+57-(X^2-6)=0
We do not support eXpression: X^4
| 8(x+4)=24x | | (6x-9)=118 | | 3n-3=5n-3-2n | | 5.4p+13.1=-2.6p+3,5 | | –45=5x | | s–16=13 | | 8(x+4)+x=24x | | 9w+w^2(12)=336 | | -21(x-3)=-30x | | 3n+152=−30 | | 7(n-6)=-32-3n | | 0.25x-5=10-x | | 24x2-8x=0 | | 4-4r=8(5r+6) | | x2-13-6x=0 | | -3(4-7)=5-(t+1) | | 180=2x*39 | | 6/25=d=30d= | | 2+16x=180 | | (2x+7)-(3x)= | | x+158=150 | | 2+16x+17x-1=180 | | 2(x+7)-2=x3 | | 1=-7z-1-4z | | (2x+7)+(3x)= | | 6r-2r=-26 | | 6n=17 | | (2x-1)(x-3)=(x+5)(x-1 | | x+54+2x-18=180 | | –7n=–6−8n | | w=2-9*1.69 | | 2700=100x+1200 |