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)
((7/3)*x^9)/28 = 0
1/12*x^9 = 0 // : 1/12
x^9 = 0
x = 0
x = 0
| 49u^2-9=0 | | 50=5/2v | | 2y-.8=3.9 | | 10*2=20 | | b-x-b+2x= | | e^3x-2=22 | | 3d^2+d=10 | | 12xv=10 | | 464-8x=y | | 24x-28=12x-4 | | 10*1*1= | | 18x-15=2x+15 | | A+8a=72 | | -5c+9(-4-3c)= | | 4x^3+8x^2+16x= | | -3(x-6)=5x+42 | | 7x+32=2(x-9) | | 5-2(4-x)=11-3x | | 5(y+4)=9y-20 | | 900=10f | | 5u+8(u+8)=12 | | 6*2+12= | | 10x^3-50x^2+60x=0 | | (6x+20)=(4x+10) | | 5x+6=7d | | a+2.2c+a-2c= | | 3x+4=-117 | | x^4-x^2-28x-196=0 | | 805=7b | | -16t^2+80t+150=0 | | -2y-8=-10 | | 9*2+9= |