7s^3-28s=0

Simple and best practice solution for 7s^3-28s=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 7s^3-28s=0 equation:


Simplifying
7s3 + -28s = 0

Reorder the terms:
-28s + 7s3 = 0

Solving
-28s + 7s3 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), '7s'.
7s(-4 + s2) = 0

Factor a difference between two squares.
7s((2 + s)(-2 + s)) = 0

Ignore the factor 7.

Subproblem 1

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

Subproblem 2

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

Subproblem 3

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

Solution

s = {0, -2, 2}

See similar equations:

| -x+8=-4x+29 | | 7y^2-35y+21= | | 3x^3y^2+3y^2=0 | | .7(6x+12)=1.8-(x+2) | | 2x+40+3x+y+2y=180 | | -40-8p=-8(1+3p) | | -.5(74.8+x)=-39.4 | | x^4-14x^3+48x^2=0 | | -74-(-48)= | | 5x+3y=140 | | 3t^2+6t-7=2 | | 100n^2r^2+30nr^3-50n^2r= | | 2x-5=6x+15 | | -63-(-38)= | | (y-1)=x | | -5(p-2)-4=-9-8p | | 0.28=In(y) | | 6p-5=17 | | 6=7(C)-3 | | 12y^2-25=0 | | =3sinx | | 42-n=17 | | -5(8-4m)+5=30+7m | | 49z^2-16y^2= | | 11c-3=8c | | 61-2x=39 | | x+8+2x=180 | | -88=-2x-7x+2 | | 49x^2-16x^2= | | -2n-5+4n=12+3n | | A+15=17 | | -40-8p=8(1+3p) |

Equations solver categories