-2x^2=8x-x^3

Simple and best practice solution for -2x^2=8x-x^3 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 -2x^2=8x-x^3 equation:


Simplifying
-2x2 = 8x + -1x3

Solving
-2x2 = 8x + -1x3

Solving for variable 'x'.

Reorder the terms:
-8x + -2x2 + x3 = 8x + -1x3 + -8x + x3

Reorder the terms:
-8x + -2x2 + x3 = 8x + -8x + -1x3 + x3

Combine like terms: 8x + -8x = 0
-8x + -2x2 + x3 = 0 + -1x3 + x3
-8x + -2x2 + x3 = -1x3 + x3

Combine like terms: -1x3 + x3 = 0
-8x + -2x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-8 + -2x + x2) = 0

Factor a trinomial.
x((-2 + -1x)(4 + -1x)) = 0

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 '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 3

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {0, -2, 4}

See similar equations:

| 3(2*2.5*-5)-2*2.5+5= | | 3(2*2.5-5)-2*2.5+5= | | 3(4k-1/3)=12k- | | 3x^2-38x+80=0 | | 8x-4=116 | | 75=6x-9 | | (140-x)+(180-x)+(120-x)=360 | | 3(2x-5)-2x+5= | | 4m+5=41 | | 2(x+5)=7+3(x-1) | | 5(5g+6)=40 | | 10d+1=8d+3 | | 3(x-9)=-13.5 | | x+1.4y+1.6z-48=0 | | 28-5t=31 | | 3(x-9)=13.5 | | 5(a+6)=31 | | 3*(2*x-5)-2*x+5= | | 2y+3y=11 | | 9e-3=21.3 | | 7-3/x=1- | | 9p=60.3 | | x^18+13x^8=0 | | (x+30)+(x+10)+(2x+30)+x=360 | | -9ytimes-3ysquared= | | 0=5/4x | | 3+x+5= | | 5x+7y+8z=240 | | f(-6)=2*(-6)+1 | | 3x+40+80=360 | | 8yz/15 | | 9m-29=61 |

Equations solver categories