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)
5-((m/3)*m)-15 = 0
(-1/3)*m^2-15+5 = 0
-1/3*m^2 = 10 // : -1/3
m^2 = -30
m belongs to the empty set
| 2x-2.7=5.8 | | (5)5x+5=(625)x | | 2x-2=63-11x | | 4r-8r+8r+r= | | 3(x-20)=6x | | x/8+1/2=-1/2 | | x+28=4x-2 | | s^2-64= | | n^2-3n+2= | | 2k^2+46= | | 4/5-2 | | 3(x-20)=6 | | 4/5-2 | | n^2-3n-12=0 | | 3x+19=6x-2 | | (5u+u)(2u+1)=0 | | n^2-3n-12= | | x+13=4x-17 | | 3x-4+6x+2-2x=4x | | (5w^2-80)/(w^2-2w-8) | | (3x-2)= | | 3x+57x+654x=4x+78x | | 4x-17=x+3 | | 3/11(-33)+12(11) | | y=-7/8(-8)+2 | | 11x+6=5x+54 | | F=9/4(n-27) | | 3x-4+6x+2-2x=8 | | 2x-13=1x+3 | | 2/15k=1/5 | | 5(3x-6)=15(x-6) | | 3s(s-2)=15 |