(3b+4b)(b-3)=

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Solution for (3b+4b)(b-3)= equation:


Simplifying
(3b + 4b)(b + -3) = 0

Combine like terms: 3b + 4b = 7b
(7b)(b + -3) = 0

Remove parenthesis around (7b)
7b(b + -3) = 0

Reorder the terms:
7b(-3 + b) = 0
(-3 * 7b + b * 7b) = 0
(-21b + 7b2) = 0

Solving
-21b + 7b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '7b'.
7b(-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

Solution

b = {0, 3}

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