x3-3x=21

Simple and best practice solution for x3-3x=21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x3-3x=21 equation:



x3-3x=21
We move all terms to the left:
x3-3x-(21)=0
We add all the numbers together, and all the variables
x^3-3x-21=0
We do not support expression: x^3

See similar equations:

| x+7+87+228=360 | | X-x-16/6=2 | | -(-x-2)=6x-7-2x | | r-37=617 | | x-30+98+234=360 | | x-30+98+234=36 | | 3(x-2)-8x=9 | | 2x+3x=-8+x | | 35=24+w | | 1/2x+1=-6 | | -16^x+32x+80=0 | | a=-1/7+3 | | x+2+5x+4=180 | | -3(x-7)=5x-3 | | 3x+8+52=180 | | 3x+8=52 | | 910=7b | | 82x+8=28 | | -1+x/3=-4 | | (x+5)^2–16=0 | | 4n=15.6 | | 2+3x+x+18=180 | | 2(x-1)-3(2x+1)=7-x | | -15x+5=2(-4x+5) | | 602=c-173 | | 100^x^2-3=10 | | |x-10-|-6=7 | | x+7+87=18- | | 23b=299 | | (9x)=(4x+10) | | 6v=978 | | .5x+4.2=5/9 |

Equations solver categories