x^3-2x-5x=0

Simple and best practice solution for x^3-2x-5x=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 x^3-2x-5x=0 equation: 


Simplifying
x3 + -2x + -5x = 0

Reorder the terms:
-2x + -5x + x3 = 0

Combine like terms: -2x + -5x = -7x
-7x + x3 = 0

Solving
-7x + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-7 + x2) = 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 '(-7 + x2)' equal to zero and attempt to solve:

Simplifying
-7 + x2 = 0

Solving
-7 + x2 = 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 + x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + x2 = 0 + 7
x2 = 0 + 7

Combine like terms: 0 + 7 = 7
x2 = 7

Simplifying
x2 = 7

Take the square root of each side:
x = {-2.645751311, 2.645751311}
Solution
x = {0, -2.645751311, 2.645751311}

See similar equations:

| 0=3x^2-16x+8 | | 9x-3+2x=8 | | 2m-14=-14+3m | | 104-3x=-5x+8 | | 7k^4(-5k)(1/3k^8) | | 2m=3m | | -17-2x=13x-8x | | 14/4x+4/2=3y-3 | | X^2+8x/3=-7/9 | | 0=-16t^2+32t+256 | | 11x^2y^2+19xy+1=0 | | h=-16t^2+32t+256 | | 8(x+1)+2=5x+3(4+x) | | X^2+8x/3=0 | | 42x^3+40x^2+8x=0 | | F=5+2h | | 17-2x=9x+17 | | 5x^2-10x+25=100 | | y=x^2+50x+1800 | | 9x+12=2(3x+7)+3x-2 | | 42x^3+40x+8x=0 | | (x*0.4)-y=1500 | | .25x^2+1.5x-2=0 | | 30a^2b+91ab-49b=0 | | 5x-8=88-3x | | 8x^6-12= | | .4h^2+.8h=.2 | | factorizex^2-10x-11=0 | | 64x^2-(3-8x^2)=87 | | X/3=-5/2 | | 3a^2+7a-49=0 | | 4x+2-x=4-2x |

Equations solver categories