If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x/(x^2+4)
X/(x^2+4)
x^4+x^3-15*x^2-19*x+30;x+3
x^2-x+1;x^2+x+1
(1/5)*x^5-((2/3)*x^3)+x
| 5x+-2x=27 | | 18=x+4+11 | | 2x+12=(x-7) | | 5*63/23-y=9 | | 5-4g=13 | | 12x+y=28 | | x+3(x+1)=2x+8 | | (5w-17)(w)=40 | | 6x+22=14+26 | | 5w-17xw=40 | | a+2a+3b-a-b= | | 5=2w-1 | | 41-3x=17+9x | | 10=5(d+8) | | 3x+13=3(x+4) | | 14r+14r= | | 2*x=12.6+11.2 | | y+10=4(x+10) | | 0=5x^2-80 | | y-7=-4(x-6) | | -b+-7=1 | | 3/4x-11=34 | | 90+90+90=13x-1 | | 19=s+9 | | 8+3x-3=4x-2 | | 2(2x+2)=4(3x-2) | | 5x-9y=25 | | 375/b=75 | | 90+90+90= | | 162+13m=344 | | 2+3b=8-3f | | 144=47x+3 |