If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4*x^5-2*x^4-7*x^3-18*x^2-23*x-21;2*x^4-2*x^3-4*x^2-3*x-6
42.5;3.4
4*x^5-2*x^4-7*x^3-18*x^2-23*x-21;2*x^4-2*x^3-4*x^2-3*x-6
249;13
2;3;1;4;0;0
| W(x)=6x | | 5+2m-2=8m+9-5m | | 2n+8=2 | | 3x+5+5x+5=180 | | (6x+4)2=16 | | (6x+4)2=8 | | 5(7t+1)-7=t-(t+1) | | y^2=2x^2+8 | | (6x+4)2=-8 | | 1/2a=11 | | 222222222=2 | | 2x^2-5y^2=10 | | 5x+4=8x-17 | | N+m=17 | | 5x-8=14x+2 | | 2x+27=3x | | -1.3+(x-4.8)=-7.1 | | y=x^4-x^3-13x^2+x+12 | | 5x+3y+2x+y= | | 232*26= | | -1.3+(x-4.8)=7.1 | | Y+4x=42 | | 29x=23x+16 | | 6g=g | | 18x^2d+24xy^4= | | 2x-1=2x+16 | | 4(5+x)=30 | | 4x+9=28-9+4 | | 5(cx-7)=9 | | 90=logx | | 5x+12=29y | | 19m-9=9 |