8x^3-7x^2-15x=

Simple and best practice solution for 8x^3-7x^2-15x= 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^3-7x^2-15x= equation:


Simplifying
8x3 + -7x2 + -15x = 0

Reorder the terms:
-15x + -7x2 + 8x3 = 0

Solving
-15x + -7x2 + 8x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-15 + -7x + 8x2) = 0

Factor a trinomial.
x((-1 + -1x)(15 + -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 '(15 + -8x)' equal to zero and attempt to solve: Simplifying 15 + -8x = 0 Solving 15 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -8x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -8x = 0 + -15 -8x = 0 + -15 Combine like terms: 0 + -15 = -15 -8x = -15 Divide each side by '-8'. x = 1.875 Simplifying x = 1.875

Solution

x = {0, -1, 1.875}

See similar equations:

| 36=4(x-12) | | -103=-3x-4(x+10) | | 18x^3-x^2-17x= | | -103=-3x-4(x+2) | | y=0.05(sin(6.5t)) | | 17y^2-7y-10=0 | | -7x+3(x+6)=-22 | | f(x)=x^2+9x+8 | | 10(c-12)= | | 39+9x= | | 9a-34=-52 | | 94=5x+3(x+2) | | 120c= | | x+x+x=57 | | x+x+x=56 | | 5x-3(x+11)=-17 | | -6-6k=18 | | 2y^4+3y^3-9y^2= | | 7x+-5=5x+19 | | x^6+4x^5-3x^4-4x^3-3x^2+4x+1=0 | | -3(y+6)=8y+15 | | -6x-9=39 | | -7a-8=-64 | | 4(6)+2x=8 | | 4(2)+2x=8 | | -3y-18=8y+15 | | 4(-2)+2x=8 | | lgx=0.64 | | -2y(y-3)=y+24 | | 5y^4+12y^3-9y^2= | | 2x-8=4-12x | | 11-8x=6x-10x-5 |

Equations solver categories