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 = 0
-1/2*x^2 = 0 // : -1/2
x^2 = 0
x = 0
x = 0
| 34342342424242342342424+4354353453453454354344=1 | | -10+-8= | | -2(1+x)+2x=-37-5x | | -10x-8= | | 9x+4=5(x+4) | | 0=x^2+28x-1040 | | (4y^2-7)(4y^2+7)= | | 4x^3-60x^2+224x=192 | | y=-0.02x^2+0.8+37 | | 14x+5=180 | | Iny=lnX+lnC | | 174/6 | | 8(3b-5)=-6b+20 | | h=-16tsquared+64t+3 | | x^6+65x^3+64= | | 0=1x-2x | | -6(n-6)=39-5n | | 10n+2=122 | | (5-x)/2=-4 | | x-2y=3-y | | 8m+7=7(1+3m) | | x^8-13x^4+36= | | 50x+100y=377500 | | 32+4x=2x+6(2x-8) | | P(A)=0.93 | | 5log(3x)-2=8 | | x^3-79x+210=0 | | 8(1+2r)=-5r-13 | | e+(-34)=-30 | | 2.5ln(2x+1)=1.6 | | v-(-11)=-27 | | 5(1+3n)-2n=-19+5n |