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)
w*(x/2) = 0
1/2*w*x = 0 // : 1/2*w
x = 0
x = 0
| f(x)=[x^2-16] | | 64=27x^3 | | 12x=14+2y | | (1001/(2^x)-0.001=0 | | (1001/(2^x)-1E-3=0 | | 15-4x=42-4x | | 6s+2=5s+5 | | 2x^2+(k+2)x-5=0 | | (x-2xy+y^2)dy+y^2dx=0 | | 166-x=196 | | x-9=2b^3 | | 3y+4y-6z= | | 3-4(y-5)=2y-7 | | 100[.04(m+4)]= | | y+10x=3250 | | 3(y-2)+5=20 | | x+0.001x=50 | | y=(x-2)(4x-15)(2x-11) | | -6.8(4y+6)-1.4(3y-5)= | | -5/8y=3/16-9/16 | | 12-(3b+2)=-14 | | 5(y-3)+2y=27 | | x(0.15)=1500 | | 24x.2= | | x+x^2=198 | | 4x-2y+20=0 | | 5x+(x+4)=-20 | | 34-4x=10-7x | | 11d=15+6d | | -5-6-6p= | | (20)/(10)6x=0 | | -3m-5m=4/7 |