If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
2-m = (m^2)/4 // - (m^2)/4
2-((m^2)/4)-m = 0
2-1/4*m^2-m = 0
DELTA = (-1)^2-(-1/4*2*4)
DELTA = 3
DELTA > 0
m = (3^(1/2)+1)/(-1/4*2) or m = (1-3^(1/2))/(-1/4*2)
m = -2*(3^(1/2)+1) or m = -2*(1-3^(1/2))
m in { -2*(3^(1/2)+1), -2*(1-3^(1/2)) }
| -9z-36-6=48 | | -7c+4=-10 | | 4(5x+3)+3(2x-2)=5x-57 | | 2*(4.5*9)=(2*4.5)*9 | | -6+10=64 | | 0=-5X^2+6X+3 | | 5x^2+10x-115=-100 | | 7-c=24 | | -6x+6/7=-18 | | -4(m+3)= | | 7x+4x+3+7=3x+3+7x | | 13=85/x | | x=2-5i | | 4a+5/9=-3 | | 19-15=2(x-8) | | 4(3p-1)+13=5p+2 | | 4=r+11 | | -90+9= | | 6x^7/2x^4 | | y+2=y+4 | | 4+5t=21 | | (X-(30/x))=7 | | (9x+2)(4x-y)= | | 5h=4h+8 | | 5(3x+1)-2(x+1)=29 | | 6n^2=9n | | 0.5x+1.5x=12 | | (3x^2)/(2x^-4) | | 6r=7r-5 | | 4x/5-x/3 | | 14+6x+7-2x=1+5x | | 0.4x-3.1=0.1 |