If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(9*21)/7 = 0
(x-1)/(x+4) > (x+5)/(x-6)
(x-3)/(x+2)+(x+3)/(x-2) = (2*x+16)/(x^2-4)
1*x^3+2*x^2+5*x+10 = 0
1*x^3-(1*x^2)-(4*x)+4 = 0
| 21*9/7 | | 2y^2=-x+4 | | X^10/x^4= | | 9x^1/3*x^-3/2*x^1/6 | | .6x^4*.2x^6= | | t^3-4t^2+5t-2=0 | | .6x^4*2x^6= | | 240x=6x+1500 | | c=10b | | 6y-24=11y | | 9f=10e | | 6n-24=59n | | 10e=9f | | 5t^2+20t-18=0 | | 2y-6=2(2-y)/3-y | | v^2-2v-3/4v^2-36 | | 15t^2+4t-20=0 | | 1/6-4=11 | | 2/5a-3=17 | | 2x^2/7x | | .5x+.1y=6.8 | | R=5x+23 | | 5x+y=68 | | .50x+.10y=6.8 | | f(x)=10F(18) | | 9x=200*10 | | 9x=180*10 | | X=10*18 | | 9(x)=10d | | 6x-20+4x+30+2x=360 | | (6x-20)+(4x-30)+(2x)=360 | | (6x-20)+(4x-20)+(2x)=360 |