8x^3-x^2-9x=

Simple and best practice solution for 8x^3-x^2-9x= 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-x^2-9x= equation:


Simplifying
8x3 + -1x2 + -9x = 0

Reorder the terms:
-9x + -1x2 + 8x3 = 0

Solving
-9x + -1x2 + 8x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + -1x + 8x2) = 0

Factor a trinomial.
x((-1 + -1x)(9 + -8x)) = 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 '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 3

Set the factor '(9 + -8x)' equal to zero and attempt to solve: Simplifying 9 + -8x = 0 Solving 9 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -8x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -8x = 0 + -9 -8x = 0 + -9 Combine like terms: 0 + -9 = -9 -8x = -9 Divide each side by '-8'. x = 1.125 Simplifying x = 1.125

Solution

x = {0, -1, 1.125}

See similar equations:

| -(x+8)+3(6x+2)=1-2x+5x-3 | | (W+23)+3(4w+7)=239 | | x^2+2kx+(4k-3)=0 | | 3x+9=-7x+33 | | f(7)=4x+20 | | -10=-3(3k+5)-9 | | 3b+1=-5-4b+6b | | C(y+3)=16y | | 6n-(3n+2)=10 | | -3x-by=5 | | 21x-3=20x+1 | | -7-5x+n=28 | | 12(2+-1)=3+12t | | 14x-14=7x+28 | | 105+24x+3=180 | | -7x+5=18+6x | | 4x-3=129 | | (1-2i)z+3+5i=5-4i | | -3x+9=-7x+33 | | 11x-7=12x+4 | | 5x-6-4x=-17 | | 5xy-y^2-4xy-y^2= | | 4x+2=-6x-18 | | 3x+4y-3x-2y= | | 15x+10=130 | | 5n^2-3n-126=0 | | 5x-3x^2-2x^2= | | .5(15+b)10.8=243 | | (1.2-20x)=100 | | 2(x+5)+8=21 | | (1.2-20x)=1.0 | | 4xy-2x-3xy= |

Equations solver categories