5x+2x+x=8x^3

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Solution for 5x+2x+x=8x^3 equation:


Simplifying
5x + 2x + x = 8x3

Combine like terms: 5x + 2x = 7x
7x + x = 8x3

Combine like terms: 7x + x = 8x
8x = 8x3

Solving
8x = 8x3

Solving for variable 'x'.

Combine like terms: 8x3 + -8x3 = 0
8x + -8x3 = 0

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

Factor a difference between two squares.
8x((1 + x)(1 + -1x)) = 0

Ignore the factor 8.

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 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 3

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

Solution

x = {0, -1, 1}

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