(r^3)+(2r^2)-(2r)-(20)=0

Simple and best practice solution for (r^3)+(2r^2)-(2r)-(20)=0 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 (r^3)+(2r^2)-(2r)-(20)=0 equation: 


Simplifying
(r3) + (2r2) + -1(2r) + -1(20) = 0
r3 + (2r2) + -1(2r) + -1(20) = 0

Remove parenthesis around (2r)
r3 + (2r2) + -1 * 2r + -1(20) = 0

Multiply -1 * 2
r3 + (2r2) + -2r + -1(20) = 0

Multiply -1 * 20
r3 + (2r2) + -2r + -20 = 0

Reorder the terms:
-20 + -2r + (2r2) + r3 = 0

Solving
-20 + -2r + (2r2) + r3 = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

See similar equations:

| .85x+.80(5300-x)=4480 | | X-12=54 | | 6x^2+x+9*4x+2= | | -2(2x+2)-1=-x(x+3) | | g(4)=ax^2+24 | | 7n+4n-5=-38 | | 14=-1/3s-3 | | 15y+14=2(5y+2) | | g(x)=ax^2+24 | | 16-4g=-28 | | 72x^5+48x^4+24x^3= | | 7/30•20/14 | | 14x+18x-9+3=-6+3-9 | | W*2w*2(w+2w)=96 | | 0.6x-0.2(5-x)=2.6 | | -480=-48x-160y | | 4x-41=91 | | 5m/i | | b-c=13.7 | | 6x-3x+12=2x+7 | | 6z+5-3z=25 | | 3x-9y=-48 | | 8x+18=9x+1 | | 2(x+3)+x=3x+18 | | 8p+2=0 | | -4.7=x+1.9 | | 324=4800*.045*x | | 8x+18=9x-1 | | 56=18+19v | | d=2(a+b) | | -32y-12y-16y-18y-2y+55y= | | 56=4/5v |

Equations solver categories