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 = 25 // - 25
(1/4)*x^2-25 = 0
1/4*x^2 = 25 // : 1/4
x^2 = 100
x^2 = 100 // ^ 1/2
abs(x) = 10
x = 10 or x = -10
x in { 10, -10 }
| c=2*3.14 | | 2.4v=21.6 | | 64p=448 | | 5(x^2+3y^2)-y(x^2+5y)= | | a=1/2*27*30 | | .4j=1.2 | | -3.1=16.1+y/3 | | 23n=-63 | | 18.3=7y-4.1 | | -4b=-52 | | 7+y/5.12=9 | | x^2+16x-89=10 | | 3l+14+l=114 | | -8z=128 | | -8(4-5x)-6x=-7(-6x+11)-5x | | 2=-4c | | 6f=14-1f | | p=130(25)+5100 | | 4x^2-16x-1=8 | | -6(2-v)=12(v+8)-12 | | 6t=-3 | | 12x+6x+9x-3y+-7y+y= | | x/(1-x)(3-5x) | | 2(r-9)+5=6+7(-5-2r) | | 4(x+5y)+3(x+6y)+6(3x+8y)= | | 12x^2+7x-49=0 | | -3y+5y=-7+4y | | 5*(252-x)=x | | 5(3x+5)=-95 | | 4(1/2)-(9/8)=-16 | | d-156=237 | | 5/1=x/252-x |