7b^3=112b

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Solution for 7b^3=112b equation:


Simplifying
7b3 = 112b

Solving
7b3 = 112b

Solving for variable 'b'.

Reorder the terms:
-112b + 7b3 = 112b + -112b

Combine like terms: 112b + -112b = 0
-112b + 7b3 = 0

Factor out the Greatest Common Factor (GCF), '7b'.
7b(-16 + b2) = 0

Factor a difference between two squares.
7b((4 + b)(-4 + b)) = 0

Ignore the factor 7.

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 + b)' equal to zero and attempt to solve: Simplifying 4 + b = 0 Solving 4 + b = 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 + b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + b = 0 + -4 b = 0 + -4 Combine like terms: 0 + -4 = -4 b = -4 Simplifying b = -4

Subproblem 3

Set the factor '(-4 + b)' equal to zero and attempt to solve: Simplifying -4 + b = 0 Solving -4 + b = 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 + b = 0 + 4 Combine like terms: -4 + 4 = 0 0 + b = 0 + 4 b = 0 + 4 Combine like terms: 0 + 4 = 4 b = 4 Simplifying b = 4

Solution

b = {0, -4, 4}

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