8x^3-5x=18x^2

Simple and best practice solution for 8x^3-5x=18x^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 8x^3-5x=18x^2 equation:


Simplifying
8x3 + -5x = 18x2

Reorder the terms:
-5x + 8x3 = 18x2

Solving
-5x + 8x3 = 18x2

Solving for variable 'x'.

Reorder the terms:
-5x + -18x2 + 8x3 = 18x2 + -18x2

Combine like terms: 18x2 + -18x2 = 0
-5x + -18x2 + 8x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-5 + -18x + 8x2) = 0

Factor a trinomial.
x((-1 + -4x)(5 + -2x)) = 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 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 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 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

Subproblem 3

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {0, -0.25, 2.5}

See similar equations:

| 110+.70x=50+.90x | | 900-100= | | 4x+5+15=5x+3x | | 5(w-2)-7w=4 | | m^2-8m=-36 | | 9876543212345678987654321-1234567899987654321= | | 39=4u-9 | | 6x-25(39-21)+17= | | 8(q+5r)=g-vz | | (y^4+9y^2+20)/(y^2+4) | | 2x+3x+4=14 | | 1/2(6y-3)=2-y | | -x=-6,3+3,2 | | 2x+3=x-10 | | 9A+7(2-B)= | | 60x^3-10x=0 | | 3(5-3x)=4-x | | x+21+4x=-42-4x-45 | | 5x+19=15x-44 | | 3(x-4)=5(2x+1) | | 2x=4x-18+24 | | 5/3(b-18) | | 5x+19=12x+44 | | (X^2+3x-28)/(x-4) | | 5(x-1)=7x-10 | | x+24+2x=15-2x-21 | | 5,3=x-1,8 | | 2x-1=11x-23 | | 43/4x11/7 | | 5x--10=-20 | | -x=8,3+1,9 | | 4s+3t=12 |

Equations solver categories