20b^3-28b^2=0

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Solution for 20b^3-28b^2=0 equation:


Simplifying
20b3 + -28b2 = 0

Reorder the terms:
-28b2 + 20b3 = 0

Solving
-28b2 + 20b3 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '4b2'.
4b2(-7 + 5b) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'b2' equal to zero and attempt to solve: Simplifying b2 = 0 Solving b2 = 0 Move all terms containing b to the left, all other terms to the right. Simplifying b2 = 0 Take the square root of each side: b = {0}

Subproblem 2

Set the factor '(-7 + 5b)' equal to zero and attempt to solve: Simplifying -7 + 5b = 0 Solving -7 + 5b = 0 Move all terms containing b to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 5b = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 5b = 0 + 7 5b = 0 + 7 Combine like terms: 0 + 7 = 7 5b = 7 Divide each side by '5'. b = 1.4 Simplifying b = 1.4

Solution

b = {0, 1.4}

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