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*x)/2)*x-((1/10)*x) = 1/5-(1/4) // - 1/5-(1/4)
((1*x)/2)*x-((1/10)*x)-(1/5)+1/4 = 0
(x/2)*x+(-1/10)*x-1/5+1/4 = 0
1/2*x^2-1/10*x+1/20 = 0
DELTA = (-1/10)^2-(1/20*1/2*4)
DELTA = -9/100
DELTA < 0
x belongs to the empty set
| 4p=6p-16 | | -3(m-12)=-12 | | 81*.15= | | 12+c=-2c | | -4(x-3)=x | | -16k=-15k-16 | | -4n+5=13 | | -4+5=13 | | 8x/20x=9/20 | | 6x-6+x=4x+8 | | -9x+2.6+(-x)+(-12.8)= | | 2x+9-3x=12 | | z^2+16z+7=0 | | X+3y+3z=10 | | x/x^2=0 | | (Ab+b-c+6)+(3ab-b+c-6)= | | 8a-4(-5a-2)=24a | | 6u+8=21 | | 2y-24=26 | | 1/3s=-2 | | 10-2/5x=-3 | | 5e+6pd+5d-7ed+7= | | 10-2/5x=3 | | 1/2(13f/5 | | 4-1/2v=-4 | | 2.5+-3.5x=-32x+-48 | | 4-1/2v=4 | | 12+4pd-2p+6pd= | | -5w^3-4w^2=7w+16 | | 2.5+-3.5x=-32+-48 | | 8-5n=3.25 | | -3yx+2x+6y-4=0 |