7x^3-9x=0

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Solution for 7x^3-9x=0 equation:


Simplifying
7x3 + -9x = 0

Reorder the terms:
-9x + 7x3 = 0

Solving
-9x + 7x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + 7x2) = 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 '(-9 + 7x2)' equal to zero and attempt to solve: Simplifying -9 + 7x2 = 0 Solving -9 + 7x2 = 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 + 7x2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 7x2 = 0 + 9 7x2 = 0 + 9 Combine like terms: 0 + 9 = 9 7x2 = 9 Divide each side by '7'. x2 = 1.285714286 Simplifying x2 = 1.285714286 Take the square root of each side: x = {-1.133893419, 1.133893419}

Solution

x = {0, -1.133893419, 1.133893419}

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