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Use the distributive property to factor the expression. 42q - 21

Question:

Use the distributive property to factor the expression.

42q - 21

Distributive Property:

The distributive property lets you multiply a sum by multiplying each addend separately and then add the products. The given expression has already used the distributive property. We should reverse the process to factorise the expression.

Distributive Property:

{eq}a(x+b)=ax+ab {/eq}.

Answer and Explanation:

{eq}\begin{align*} 42q - 21&=21(2q-1)&\text{[Take 21 as common]} \end{align*} {/eq}


Learn more about this topic:

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Distributive Property: Definition, Use & Examples

from High School Algebra II: Help and Review

Chapter 2 / Lesson 20
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