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)
(1/2)*(x^2-5) = 10 // - 10
(1/2)*(x^2-5)-10 = 0
1/2*(x^2-5)-10 = 0
1/2*(x^2-5)-10 = 0
1/2*x^2-25/2 = 0
1/2*x^2-25/2 = 0
1/2*x^2 = 25/2 // : 1/2
x^2 = 25
x^2 = 25 // ^ 1/2
abs(x) = 5
x = 5 or x = -5
x in { 5, -5 }
| 21+35q= | | 2x*8=56 | | 9+4x^2=9 | | 9+4x^2=8 | | 0=9-7x+x^2 | | 3n+20=150 | | 10/1.59 | | 5(u-6)-5=-4(-4u+5)-5u | | -13=6+6 | | 5x*2=3 | | x-7/8=4 | | 8xt=-45 | | 3n+40=150 | | x^2+18x=180 | | 23x+28=34x | | 17=p*50 | | 5x*2=12 | | -10=x/11 | | (x*x)-8x+10=(x-p)(x-p)+q | | 75x-5=7/12 | | 4(v-6)-6=-3(-9v+6)-8v | | -2sin^2x=-sinx-1 | | 5(w+7)=3(w+19) | | 4(-8x+6)=-104 | | g/-518 | | 157+11x=69 | | 40x+(8.5(1.5x))=712.50 | | 44=2(14)+2w | | 6sinx+12=12 | | -9y-22=-5(y+2) | | -z^2-2iz-6i-4=0 | | -183=-3(7x+3)-8x |