x^5+21x^3-100x=0

Simple and best practice solution for x^5+21x^3-100x=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^5+21x^3-100x=0 equation:


Simplifying
x5 + 21x3 + -100x = 0

Reorder the terms:
-100x + 21x3 + x5 = 0

Solving
-100x + 21x3 + x5 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-100 + 21x2 + x4) = 0

Factor a trinomial.
x((-25 + -1x2)(4 + -1x2)) = 0

Factor a difference between two squares.
x((-25 + -1x2)((2 + x)(2 + -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 '(-25 + -1x2)' equal to zero and attempt to solve: Simplifying -25 + -1x2 = 0 Solving -25 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + -1x2 = 0 + 25 Combine like terms: -25 + 25 = 0 0 + -1x2 = 0 + 25 -1x2 = 0 + 25 Combine like terms: 0 + 25 = 25 -1x2 = 25 Divide each side by '-1'. x2 = -25 Simplifying x2 = -25 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 4

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

Solution

x = {0, -2, 2}

See similar equations:

| 4=1(x-3)+2-x | | 5z^2+2z= | | 6(7x-3)(6x+7)=0 | | 1.2x+1.5x=-8.1 | | 7x-66=-157 | | F(2a)=x^3+2x-4 | | -82=-26+7x | | F(2a)=x^2+2x-4 | | (w+2)(4w-2v+5)=0 | | 11z-9-10z+7=10 | | 1/9x=9x | | 30-5(2x-1)+3(5+2x)=105-15x | | 2y^2+30y+100=0 | | 72=2x+y | | 6sin(3x)=1 | | x/1.5=7.5 | | 5x^2+2z=0 | | m^2+6m-68=4 | | 218=10x+38 | | 23m=29m+18 | | 21+7= | | 48x^8y^-5/-21x^-6y^-3 | | -9=x/2-3 | | 3x^2-2xy+y^2=2011 | | 120/250 | | 15=9-1/2x | | 31/6.2= | | 2.5x+0.4x=15.2-3.6 | | 2.4-[-3.61]-(-8.3)= | | 3x^2-2xy-y^2=2011 | | -x+244=12x-198 | | 3x^3-12x^2+24-96=0 |

Equations solver categories