If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x4-5x^2-14=0
We add all the numbers together, and all the variables
-5x^2+x^4-14=0
We do not support expression: x^4
| 214x+12x=4 | | -12x+14=-62 | | 5x+20=2x+55 | | 2(5-x0)-(-2)(x-3)=-(3x-4) | | 2(4–3x)–10–2x=–74 | | x-24.1=-18.4 | | 12-2x=3(3x+15 | | 56x=98 | | 12x–4=26 | | a+-45=15 | | 8x-2(x+8)=8 | | 4x+7-3x=2(x-4)+3 | | -x-9=-4 | | 1.5c-25=-23 | | 5.9x+6=3.9x+14 | | x+0.8=1 | | 4(x+2)=10(2.4+8) | | (9,-4)=(10,u) | | 103y+4y+12=180 | | 7x^2−2x^2=125 | | 2.8p=2 | | 3y+7=90 | | 5x+1=88° | | 10(4x+4)=100 | | 6+2w=2w | | 5(x+1)-(-3x+1)=2(3x+5)10x= | | 12b=2 | | 3.5x+0.5x=18+4.5x | | 103+4y+12=180 | | 6s=270 | | 0=-t^2+18t | | -3(4x-5)+2x-1=24 |