If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(21/2)*x^10 = 0
21/2*x^10 = 0 // : 21/2
x^10 = 0
x = 0
x = 0
| 2(1-x)=5+x | | -9f-3+5=35 | | .18a+.1(20-a)=.14(20) | | 4(3x-8)=6x-16 | | -8(7+4r)=19 | | (-a^2-5a+3)-(a^2+3a-2)= | | 4-6-7x=-2 | | 20=-3+7(b-2) | | 4=c/9 | | -6(1-2h)=-20 | | -5.25x=-40.33575 | | 8(n-12)=208 | | -8-7(1+6s)=-24 | | 8(n-12)=108 | | -2z-9-8z=-30 | | 4x-6=5(x-5) | | 3(7a+2)=17+4a | | X^2-6x+5=-14 | | 0=x^2-44x+c | | 25010%= | | (5x^3+8x^2-5x+10)+(4x^3+10x^2-4x-4)= | | 3x^2*x= | | 12=z/y | | 9(x+2)=56 | | 6x-30=-4x+18 | | 8x+9y=7781.25 | | 6x-30=-4+18 | | x^4+5x^2-6=5x^3-5x | | y-(-1)=2/7(x-2) | | 75=150e^(xln(1/3)/5) | | -18=-14+x | | [4x+3]-1=4 |