8x^3=7x

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Solution for 8x^3=7x equation: 


Simplifying
8x3 = 7x

Solving
8x3 = 7x

Solving for variable 'x'.

Reorder the terms:
-7x + 8x3 = 7x + -7x

Combine like terms: 7x + -7x = 0
-7x + 8x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-7 + 8x2) = 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 '(-7 + 8x2)' equal to zero and attempt to solve:

Simplifying
-7 + 8x2 = 0

Solving
-7 + 8x2 = 0

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 8x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 8x2 = 0 + 7
8x2 = 0 + 7

Combine like terms: 0 + 7 = 7
8x2 = 7

Divide each side by '8'.
x2 = 0.875

Simplifying
x2 = 0.875

Take the square root of each side:
x = {-0.935414347, 0.935414347}
Solution
x = {0, -0.935414347, 0.935414347}

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