80x^3-405x=0

Simple and best practice solution for 80x^3-405x=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 80x^3-405x=0 equation:


Simplifying
80x3 + -405x = 0

Reorder the terms:
-405x + 80x3 = 0

Solving
-405x + 80x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x'.
5x(-81 + 16x2) = 0

Factor a difference between two squares.
5x((9 + 4x)(-9 + 4x)) = 0

Ignore the factor 5.

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 + 4x)' equal to zero and attempt to solve: Simplifying 9 + 4x = 0 Solving 9 + 4x = 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 + 4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4x = 0 + -9 4x = 0 + -9 Combine like terms: 0 + -9 = -9 4x = -9 Divide each side by '4'. x = -2.25 Simplifying x = -2.25

Subproblem 3

Set the factor '(-9 + 4x)' equal to zero and attempt to solve: Simplifying -9 + 4x = 0 Solving -9 + 4x = 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 + 4x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 4x = 0 + 9 4x = 0 + 9 Combine like terms: 0 + 9 = 9 4x = 9 Divide each side by '4'. x = 2.25 Simplifying x = 2.25

Solution

x = {0, -2.25, 2.25}

See similar equations:

| (2x+7)(x^2+9)(2x-5)-91=0 | | -5(2p+4)-28=2(3p+8) | | 2x+34-4x=1-7x+3 | | 3a-7y-a+6y= | | 10x=4-x^2 | | 4x^2-20x-75=0 | | 4-2x=2x-4-6x | | 2x^2+x^2+x= | | 10=-5x+40 | | 4.33=-log(X) | | 6x+y+3x+18+y=360 | | 16x^2-24x=87 | | 6x^2-63x-108=0 | | 5-3x=3x-3-8x | | 3(x+4)-2(x-1)=7 | | 0.8y-0.3y=3.5 | | 5-2x=2x-4-7x | | x-9y=-2forx | | -0.4+0.6= | | 2(5t+1)-8=t-(t+5) | | 8xy^2+56xy+98x=0 | | 7=11x-3 | | 2(5t+1)-8=t-(t-5) | | 0=4-4x-(3x^2) | | 4x+39-5x=2-9x+5 | | -141.3=1.80 | | -6x-9=3x | | 29+-8x=0 | | 4m-5=2m-7 | | 29+-18x=0 | | 24m^2-13r^3= | | f(x+4)=8x+7 |

Equations solver categories