3b^3-9b^2-810b=

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Solution for 3b^3-9b^2-810b= equation:


Simplifying
3b3 + -9b2 + -810b = 0

Reorder the terms:
-810b + -9b2 + 3b3 = 0

Solving
-810b + -9b2 + 3b3 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '3b'.
3b(-270 + -3b + b2) = 0

Factor a trinomial.
3b((-15 + -1b)(18 + -1b)) = 0

Ignore the factor 3.

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 '(-15 + -1b)' equal to zero and attempt to solve: Simplifying -15 + -1b = 0 Solving -15 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1b = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1b = 0 + 15 -1b = 0 + 15 Combine like terms: 0 + 15 = 15 -1b = 15 Divide each side by '-1'. b = -15 Simplifying b = -15

Subproblem 3

Set the factor '(18 + -1b)' equal to zero and attempt to solve: Simplifying 18 + -1b = 0 Solving 18 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1b = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1b = 0 + -18 -1b = 0 + -18 Combine like terms: 0 + -18 = -18 -1b = -18 Divide each side by '-1'. b = 18 Simplifying b = 18

Solution

b = {0, -15, 18}

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