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)
(1/4)*x^2-2 = 0
1/4*x^2 = 2 // : 1/4
x^2 = 8
x^2 = 8 // ^ 1/2
abs(x) = 2*2^(1/2)
x = 2*2^(1/2) or x = -(2*2^(1/2))
x in { 2*2^(1/2), -(2*2^(1/2)) }
| 8.2=7x | | 7x-28=5x+40 | | 5(7x-8)=3(x+8)-4(6x-7) | | 4*(-5)-2+3=3*2*(-5)+5+2 | | 41/5=7x | | -8s=-7s-17 | | 6x-12=8x-72 | | 4*(-5)-2*(-5)+3=3*2*(-5)+5+2 | | 3(x-7)=-4.2 | | 5y-4x=19 | | h^2+10h+23=0 | | T^2+3t=1 | | 8(a+2)=41.6 | | -11-2w=-w | | 15p-13p=18 | | 3x^3+9x-18x=0 | | 17=2(b-5) | | 12y+16y=232 | | 17=2(b-5)-3 | | C=3.50+1.25f | | 6b=20 | | 50x^2-75x+22=0 | | h+19=-12h-20 | | 4-=r/20-5 | | x^9-5x^7+113x^6-12x^3-457x^2+x+17=0 | | 10x=27+x | | 11+14q=-10+11q | | 2x+12=7x+5 | | 5u^2-3=14 | | f-15/3=1 | | 3/5×5/9 | | 27n^2+27n=0 |