2x^3+8x^2-90x=0

Simple and best practice solution for 2x^3+8x^2-90x=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 2x^3+8x^2-90x=0 equation:


Simplifying
2x3 + 8x2 + -90x = 0

Reorder the terms:
-90x + 8x2 + 2x3 = 0

Solving
-90x + 8x2 + 2x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-45 + 4x + x2) = 0

Factor a trinomial.
2x((-9 + -1x)(5 + -1x)) = 0

Ignore the factor 2.

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 '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 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 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 3

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {0, -9, 5}

See similar equations:

| (t+8)(t-6)=0 | | 8n+6n=-14 | | 8y-10y=-9-13 | | W^2-2w-42=0 | | 84c-737= | | x^5=325 | | 46=4x^2+10x | | 10.5=-log(x) | | 18-3x+4x=6x-2 | | 3x=2-5x/3 | | 2x^4-6x^3=0 | | 144in=ft | | 2c+5d= | | 4z+z+1=7(z-1) | | 10qt=c | | 10mi=in | | a^5b^8/a^5b^3 | | 32y-18=180 | | 19=4k+6 | | 232floz=c | | 28/48= | | 4x=x+43 | | 16/200 | | 62pt=qt | | x+41=2x-3 | | 160-w=278 | | 13h=32 | | 2x^2-22x-52= | | 166=95-w | | 4w+9=57 | | 12.35m=6.175 | | -6/5x*-4/3=-1/2 |

Equations solver categories