7b^3=63b

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Solution for 7b^3=63b equation:


Simplifying
7b3 = 63b

Solving
7b3 = 63b

Solving for variable 'b'.

Reorder the terms:
-63b + 7b3 = 63b + -63b

Combine like terms: 63b + -63b = 0
-63b + 7b3 = 0

Factor out the Greatest Common Factor (GCF), '7b'.
7b(-9 + b2) = 0

Factor a difference between two squares.
7b((3 + b)(-3 + 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 '(3 + b)' equal to zero and attempt to solve: Simplifying 3 + b = 0 Solving 3 + b = 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 + b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + b = 0 + -3 b = 0 + -3 Combine like terms: 0 + -3 = -3 b = -3 Simplifying b = -3

Subproblem 3

Set the factor '(-3 + b)' equal to zero and attempt to solve: Simplifying -3 + b = 0 Solving -3 + b = 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 + b = 0 + 3 Combine like terms: -3 + 3 = 0 0 + b = 0 + 3 b = 0 + 3 Combine like terms: 0 + 3 = 3 b = 3 Simplifying b = 3

Solution

b = {0, -3, 3}

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