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^2-25 = 0
1/2*x^2 = 25 // : 1/2
x^2 = 50
x^2 = 50 // ^ 1/2
abs(x) = 5*2^(1/2)
x = 5*2^(1/2) or x = -(5*2^(1/2))
x in { 5*2^(1/2), -(5*2^(1/2)) }
| (x-4)/(100-x)=3/5 | | f(x)=(x+4i)(x-4i) | | 10y=5x-20 | | 2w^2-13=11 | | 20Cos(pi/6*t)-15cos(pi/4*T) | | x-4/100-x=3/5 | | 3p-1s-8p-5s= | | 20Cos(pi/6*t)-cos(pi/4*T) | | x-2.3=11.8 | | (12x+9)+67=180 | | cos(x)=.4 | | 12x-2-12x=0 | | 4x-2x+1=4+2x | | 8x+2x+5(x-3)+2x=63 | | m/4=17/4 | | 7a+2a+3a+6a+2a=360 | | ((25-4a^2)/(3a))*((24x-6x^2)/(2a^2-3a-20)) | | 3x+8-2x=2(x-1)+3 | | f(x)=(x-2)(x-2)(x+3i)(x-3i) | | 19s+2s+4s-4s-20s=9 | | 4(y-5)=7y+4 | | 6p+9=99 | | 2a+1.5b=18000 | | 2y-3-3y-5=y+6 | | 2x-(x+1)=17 | | 5x+7=x+11 | | (2x-3)-(4x-5)-(-x+3)= | | 20logx=51.063 | | (3x+7)-1=3 | | 4x-21/-9 | | 2(x^2-6x+9)-2x^2=9 | | 5d-2a=55 |