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)
((4/5)*x^15)/16 = 0
1/20*x^15 = 0 // : 1/20
x^15 = 0
x = 0
x = 0
| 7-3x=-17 | | 0=X^2+3.2x-16 | | (3x+19)+(4x-2)=180 | | 868=l+l+w+w | | 5x+8x+-17x=20 | | 4x+9-17=-36 | | 36y+9=-63 | | 2(x-2)+16=6x-4(x-9) | | b*4/5b=8 | | 10=y+c | | 2x-4(18)=(6)x-4 | | 4y=9x-3 | | .23x=4.9+.3x | | 2w^2+7w-114=0 | | (7x+1)+(-8x-16)= | | 28x÷8y-7/8= | | 180=7x+(9x+20) | | 28x÷8y-7/8 | | b*4/5b | | 6(1+3m)=-7(-2m+5)-4 | | 13d+20=-20+18d | | 8/7u=-6 | | 5/J-3=-3j | | 3(3/7)x2(5/6) | | 4x+7(2x+3)=111 | | 2/3=234•d | | 4p+p-3p=20 | | 5x/3x7/20 | | 7/3,5=8/4 | | x*(45-0.5*x)=195.5 | | 6x+9y=-13 | | r^3=297 |