49y^3-9y=0

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Solution for 49y^3-9y=0 equation:


Simplifying
49y3 + -9y = 0

Reorder the terms:
-9y + 49y3 = 0

Solving
-9y + 49y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-9 + 49y2) = 0

Factor a difference between two squares.
y((3 + 7y)(-3 + 7y)) = 0

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(3 + 7y)' equal to zero and attempt to solve: Simplifying 3 + 7y = 0 Solving 3 + 7y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7y = 0 + -3 7y = 0 + -3 Combine like terms: 0 + -3 = -3 7y = -3 Divide each side by '7'. y = -0.4285714286 Simplifying y = -0.4285714286

Subproblem 3

Set the factor '(-3 + 7y)' equal to zero and attempt to solve: Simplifying -3 + 7y = 0 Solving -3 + 7y = 0 Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + 7y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 7y = 0 + 3 7y = 0 + 3 Combine like terms: 0 + 3 = 3 7y = 3 Divide each side by '7'. y = 0.4285714286 Simplifying y = 0.4285714286

Solution

y = {0, -0.4285714286, 0.4285714286}

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