49b^3-9b=0

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


Simplifying
49b3 + -9b = 0

Reorder the terms:
-9b + 49b3 = 0

Solving
-9b + 49b3 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), 'b'.
b(-9 + 49b2) = 0

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

Subproblem 1

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

Subproblem 2

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

Subproblem 3

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

Solution

b = {0, -0.4285714286, 0.4285714286}

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