x^3+20x+9x^2=

Simple and best practice solution for x^3+20x+9x^2= 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+20x+9x^2= equation:


Simplifying
x3 + 20x + 9x2 = 0

Reorder the terms:
20x + 9x2 + x3 = 0

Solving
20x + 9x2 + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(20 + 9x + x2) = 0

Factor a trinomial.
x((5 + x)(4 + x)) = 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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 3

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {0, -5, -4}

See similar equations:

| x^3-9x^2+3x-3=0 | | 11.6+x-7.8=4.5 | | 3n^2+30m+75=0 | | -36+24=24 | | abx^2-6ab+abx= | | 16/3 | | 12x+25=x-3 | | (7/9)^-2 | | A(n)=7n+2 | | -2.5=-1.1+m | | A+3a+9a=480 | | 6x^2+4=x^2-21x | | 0.1(x+7)=35 | | 7n=45 | | 1+27m^3=0 | | lw^2=0.0144 | | 9x^2+3x-3y^2+12y-22=0 | | uy=a | | ax^2+6ax+9a= | | w-23=-11 | | 0.089=u^2 | | (2x-3y)^7/9 | | 8x+2=7x+18 | | -3(5p-4)-2=8(-p+3) | | 4z-22=-29+3z | | -2x-2(1+4x)=-4x+2(2-6x) | | 8a+2+4a+8a+2+7a+9= | | 330=2t^2 | | 4bx^3-4bx^2-80bx= | | 7p-5=-29+p | | 0.300/1=x/1-x | | 285c^2=111 |

Equations solver categories