raychelb9325 raychelb9325

11-05-2020
Mathematics

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Tamara says she used the GCF to factor the expression 21x + 56xy as 7(3x + 8xy). Is she correct? Explain.

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itskctie itskctie

11-05-2020

Answer:

Yes, she is correct.

Explanation:

21 has the following factors; 1,3,7,21 and 21 is not a factor of 56 so the GCF is 7.

21/3 is 7 and 56/8 is 7 therefore the expression is also correct.

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