5b^2-20b=b^2

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Solution for 5b^2-20b=b^2 equation:


Simplifying
5b2 + -20b = b2

Reorder the terms:
-20b + 5b2 = b2

Solving
-20b + 5b2 = b2

Solving for variable 'b'.

Combine like terms: 5b2 + -1b2 = 4b2
-20b + 4b2 = b2 + -1b2

Combine like terms: b2 + -1b2 = 0
-20b + 4b2 = 0

Factor out the Greatest Common Factor (GCF), '4b'.
4b(-5 + b) = 0

Ignore the factor 4.

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 '(-5 + b)' equal to zero and attempt to solve: Simplifying -5 + b = 0 Solving -5 + b = 0 Move all terms containing b to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + b = 0 + 5 Combine like terms: -5 + 5 = 0 0 + b = 0 + 5 b = 0 + 5 Combine like terms: 0 + 5 = 5 b = 5 Simplifying b = 5

Solution

b = {0, 5}

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