2b^3+5b^2=12b

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Solution for 2b^3+5b^2=12b equation:


Simplifying
2b3 + 5b2 = 12b

Reorder the terms:
5b2 + 2b3 = 12b

Solving
5b2 + 2b3 = 12b

Solving for variable 'b'.

Reorder the terms:
-12b + 5b2 + 2b3 = 12b + -12b

Combine like terms: 12b + -12b = 0
-12b + 5b2 + 2b3 = 0

Factor out the Greatest Common Factor (GCF), 'b'.
b(-12 + 5b + 2b2) = 0

Factor a trinomial.
b((-4 + -1b)(3 + -2b)) = 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 '(-4 + -1b)' equal to zero and attempt to solve: Simplifying -4 + -1b = 0 Solving -4 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1b = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1b = 0 + 4 -1b = 0 + 4 Combine like terms: 0 + 4 = 4 -1b = 4 Divide each side by '-1'. b = -4 Simplifying b = -4

Subproblem 3

Set the factor '(3 + -2b)' equal to zero and attempt to solve: Simplifying 3 + -2b = 0 Solving 3 + -2b = 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 + -2b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2b = 0 + -3 -2b = 0 + -3 Combine like terms: 0 + -3 = -3 -2b = -3 Divide each side by '-2'. b = 1.5 Simplifying b = 1.5

Solution

b = {0, -4, 1.5}

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