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)
(((3*m^7)/4)*x^5*y^3)^4 = 0
81/256*m^28*x^20*y^12 = 0 // : 81/256*m^28*y^12
x^20 = 0
x = 0
x = 0
| (m-2/9)=3 | | 72-1=42-3 | | 3y=3x+1 | | 3/5x-7/10=-2/5 | | 9/-3X2/5X-8 | | 3x=5-y | | x/8.8=-3.4 | | 5/7n=35 | | 0+5x=24 | | 1/6t=18 | | 5x/2=-1 | | (3x+2)(x+8)=88 | | 1/4x-10=70 | | 2/3x5 | | 3=6x | | 3x-0=-12 | | 10+1/2x=48 | | 3x+3-8=14-6x-8 | | X-(x+2)=19 | | -x^2+4x-6=y | | 6+z/9 | | -5x+0=3 | | 2x+176=7x+256 | | x/3-2=x/4+1/4 | | 5(z-2)-8= | | 25-1/5x=18 | | x-2=6x+13 | | 3x-0=12 | | 5x+40=2x+97 | | 0-6y=12 | | 15+16+17=n | | -x^2=-4x-140 |