81t^3-4t=0

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Solution for 81t^3-4t=0 equation:


Simplifying
81t3 + -4t = 0

Reorder the terms:
-4t + 81t3 = 0

Solving
-4t + 81t3 = 0

Solving for variable 't'.

Factor out the Greatest Common Factor (GCF), 't'.
t(-4 + 81t2) = 0

Factor a difference between two squares.
t((2 + 9t)(-2 + 9t)) = 0

Subproblem 1

Set the factor 't' equal to zero and attempt to solve: Simplifying t = 0 Solving t = 0 Move all terms containing t to the left, all other terms to the right. Simplifying t = 0

Subproblem 2

Set the factor '(2 + 9t)' equal to zero and attempt to solve: Simplifying 2 + 9t = 0 Solving 2 + 9t = 0 Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 9t = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 9t = 0 + -2 9t = 0 + -2 Combine like terms: 0 + -2 = -2 9t = -2 Divide each side by '9'. t = -0.2222222222 Simplifying t = -0.2222222222

Subproblem 3

Set the factor '(-2 + 9t)' equal to zero and attempt to solve: Simplifying -2 + 9t = 0 Solving -2 + 9t = 0 Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 9t = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 9t = 0 + 2 9t = 0 + 2 Combine like terms: 0 + 2 = 2 9t = 2 Divide each side by '9'. t = 0.2222222222 Simplifying t = 0.2222222222

Solution

t = {0, -0.2222222222, 0.2222222222}

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