b^3+4b=4b^2

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Solution for b^3+4b=4b^2 equation:


Simplifying
b3 + 4b = 4b2

Reorder the terms:
4b + b3 = 4b2

Solving
4b + b3 = 4b2

Solving for variable 'b'.

Reorder the terms:
4b + -4b2 + b3 = 4b2 + -4b2

Combine like terms: 4b2 + -4b2 = 0
4b + -4b2 + b3 = 0

Factor out the Greatest Common Factor (GCF), 'b'.
b(4 + -4b + b2) = 0

Factor a trinomial.
b((2 + -1b)(2 + -1b)) = 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 '(2 + -1b)' equal to zero and attempt to solve: Simplifying 2 + -1b = 0 Solving 2 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1b = 0 + -2 -1b = 0 + -2 Combine like terms: 0 + -2 = -2 -1b = -2 Divide each side by '-1'. b = 2 Simplifying b = 2

Subproblem 3

Set the factor '(2 + -1b)' equal to zero and attempt to solve: Simplifying 2 + -1b = 0 Solving 2 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1b = 0 + -2 -1b = 0 + -2 Combine like terms: 0 + -2 = -2 -1b = -2 Divide each side by '-1'. b = 2 Simplifying b = 2

Solution

b = {0, 2, 2}

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