8x^3+28x=0

Simple and best practice solution for 8x^3+28x=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 8x^3+28x=0 equation:


Simplifying
8x3 + 28x = 0

Reorder the terms:
28x + 8x3 = 0

Solving
28x + 8x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(7 + 2x2) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

Set the factor '(7 + 2x2)' equal to zero and attempt to solve: Simplifying 7 + 2x2 = 0 Solving 7 + 2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2x2 = 0 + -7 2x2 = 0 + -7 Combine like terms: 0 + -7 = -7 2x2 = -7 Divide each side by '2'. x2 = -3.5 Simplifying x2 = -3.5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

x = {0}

See similar equations:

| 14+(6+f)*-4=20 | | f(x)=x(x^3-6) | | -9t+6=-6t | | y^3+y^2-9y-9=0 | | 10v=6+7v | | 8x-3y=76 | | 492=0.82x | | -0.07x+0.09y=0.03 | | 6x=x^3 | | 30=0.12x | | (2*x)+(3*y)=52 | | 2a+10ab= | | 5+35x=21x+13 | | 3x+3(-3x+5)=75 | | -3=7+2u | | X^2-kx+625=0 | | 385=0.77x | | 271=221-u | | 0.32x+0.16=0.512 | | 9-x+7x=51 | | 2.40w=21.60 | | 4*-4x= | | -9=y+7 | | 4*(-4*x)= | | 6r^3+36r^2-96r=0 | | 3(8+x)=22 | | x+$659=$8950 | | 45.50=0.7x | | -8=2x+7x+10 | | 310=220T+1890 | | 4w+8=4w-8 | | 4x+6(2x-13)=-190 |

Equations solver categories