7b(5b-4)=

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Solution for 7b(5b-4)= equation:


Simplifying
7b(5b + -4) = 0

Reorder the terms:
7b(-4 + 5b) = 0
(-4 * 7b + 5b * 7b) = 0
(-28b + 35b2) = 0

Solving
-28b + 35b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '7b'.
7b(-4 + 5b) = 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 + 5b)' equal to zero and attempt to solve: Simplifying -4 + 5b = 0 Solving -4 + 5b = 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 + 5b = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 5b = 0 + 4 5b = 0 + 4 Combine like terms: 0 + 4 = 4 5b = 4 Divide each side by '5'. b = 0.8 Simplifying b = 0.8

Solution

b = {0, 0.8}

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