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Apply the distributive property to factor out the greatest common factor. 15+21= ?
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Apply the distributive property to factor out the greatest common factor.

15+21= ?

User Dominik Sajovic
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1 Answer

4 votes

Answer:

15 + 21 = 3(5 + 7)

Explanation:


\text{The distributive property:}\ a(b+c)=ab+ac\\\\15=3\cdot5\\21=3\cdot7\\\\15+17=3\cdot5+3\cdot7=3\cdot(5+7)

User D Pro
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