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)
(3/16)*x^8-((2/12)*x^7) = 0
(3/16)*x^8+(-1/6)*x^7 = 0
3/16*x^8-1/6*x^7 = 0
1/2*x^7*(3/8*x-1/3) = 0
3/8*x-1/3 = 0 // + 1/3
3/8*x = 1/3 // : 3/8
x = 1/3/3/8
x = 8/9
(x^7)/2 = 0
1/2*x^7 = 0 // : 1/2
x^7 = 0
x = 0
x in { 8/9, 0 }
| 25timesx-36=-114 | | x-300=250 | | 7-x=8-(-7) | | 5(x+8)=5(x+9) | | 1/8•3/11 | | 5-3x/4=8 | | 8+a=72 | | 4(x+8)=4(x+13) | | r+15.4=21.6 | | 10(x+8)=10(x+15) | | 12t*21=-36 | | A=2.5+-0.5b | | x-90=30 | | 16x+4*4x+3=0 | | x-35=100 | | -23=12+4f | | E(n)=2.5n | | je^3a-4=24 | | 7y-(-8)=36 | | 0=-2x-3y | | r^2-10r+25=16 | | log(6)(2x+4)=2 | | 6x-2=16-3x | | -13-2+9=7x-15+4 | | e^3a-4=24 | | 1-1-1=-1-1-1-1 | | 7y+38= | | 0=r^2-13.69 | | Y-2.2=3.8 | | 10-3x+8x=2 | | 8x-19=5+3x | | 6/z-4=2/7 |