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*x)/8)*x^2 = 0
7/8*x^3 = 0 // : 7/8
x^3 = 0
x = 0
x = 0
| 3x-3.6=-7-8.6 | | 5x+3=47+x | | 3t^3+18t^2-48t=0 | | 32-3x=12-7x | | 15c+1=16c-6 | | 2(n+1)+n+3+n+1+n+1+1+2n= | | x-8=-2x+7 | | 8x+(2x+1)=-29 | | x^4-4x^3+4x^2+1=0 | | 6x+8=-36-5x | | -12y+7=-5-12y | | 8x^2+3=-14 | | 3x^2=6x+-1 | | 12.25=3lbs | | 3x+11=41-2x | | 36x^2-16x=0 | | 2n+1=n+6 | | 3lbs=48oz | | 7(x-9)=77 | | 3w+34=88 | | Sqrt(3+2x)=5 | | 0=4k^2-5k-21 | | p+19=-42 | | 15b-2=13 | | 6y^2+5=221 | | -8y-8=-16x+32 | | 2ln(x+7)=10 | | 1.5=0.5x | | -7n(2n-1)=0 | | 9(3b+7)=144 | | 4x*3=48 | | 6x+35X+9X=15(x+4)-25 |