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)
(2.5/5)*x^2 = 0
0.5*x^2 = 0 // : 0.5
x^2 = 0
x = 0
x = 0
| T/10-2/3=1/5 | | 28(-15+2x)=12*7 | | P-14=-34 | | 3(x+1)=18-3x | | (2x+17)(1-3x)=18 | | 8w^3+6w^2-9w=0 | | C/3-C/8=2 | | 8-7log-10x=8 | | 3.82(98)/x=500 | | (5+2y)2=25+20y+(4)2 | | -8x+3=-29V | | 4U-46=-7(u-6) | | 7x=2.5+8x | | 5(x)=-15 | | 18x^2-67x-63=0 | | 14.9=6.8+0.9b | | 3a+5c=2b | | 14.9=8.6 | | -3m+2=2m+11 | | 6(2x-1)-4=7x | | 13k-5k=16 | | 4/9x54 | | 6x+x^2=-1 | | 16-j=-2 | | (2x+1)x^2=25 | | 10=16-z | | -3(c+-12)=18 | | 13-q=12 | | 4y-17=3y | | 5(2x-9)-(9x-8)= | | 3.5x-1.5x=-22 | | 3ln(x)-5ln(x)=6 |