5n^3-20n=0

Simple and best practice solution for 5n^3-20n=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 5n^3-20n=0 equation:


Simplifying
5n3 + -20n = 0

Reorder the terms:
-20n + 5n3 = 0

Solving
-20n + 5n3 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '5n'.
5n(-4 + n2) = 0

Factor a difference between two squares.
5n((2 + n)(-2 + n)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n = 0

Subproblem 2

Set the factor '(2 + n)' equal to zero and attempt to solve: Simplifying 2 + n = 0 Solving 2 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + n = 0 + -2 n = 0 + -2 Combine like terms: 0 + -2 = -2 n = -2 Simplifying n = -2

Subproblem 3

Set the factor '(-2 + n)' equal to zero and attempt to solve: Simplifying -2 + n = 0 Solving -2 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + n = 0 + 2 n = 0 + 2 Combine like terms: 0 + 2 = 2 n = 2 Simplifying n = 2

Solution

n = {0, -2, 2}

See similar equations:

| 0.78*x=x-4 | | 0.77*x=x-4 | | t-28=-14 | | 4(2x-3)=2 | | -2b^3+12b^2-14b=0 | | 7x-(2x+23)=12 | | 2sinx=1.5 | | 3cosx+2=0 | | 9x-5y+27=0 | | 0.75*x=x-6 | | 0.75*x=x-5 | | 0.75*x=x-4 | | (x+7)-(x-3)=(5+x)-(x-3)+x | | 5x-12x+11x+8=2-12x+3(2x+1) | | x^2-15x=-11x+16-x^2 | | 4x+5=7x+1 | | 2x+3/x+5=-9 | | -2(1-4x)-3x=-2 | | -2(1-4x)-3x=-2 | | 6y-3y(2y-4)-5= | | 1/3*x+x=4600 | | 55.67/2 | | 3(7-x)-6=0 | | 185-7x=29x+21 | | 3(x+5)+8=-4 | | -20x+20lnx+30=0 | | x-4/3-2x+1/7=5x-1/2 | | 82x+19142y=2429100 | | 2(x^2-40)=-x^2+6(x-4)+1 | | 1x+44y=90 | | -2x-4+(x+1)=-5(-5-x)-4 | | 6y+x=14 |

Equations solver categories