Question

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

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Yes; 7 is the GCE.
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No; 14 is the GCF
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No; 7x is the GCF.
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No; 7xy is the GCF

Answer 1

Answer: 77xy

Explanation:

if you multiply 7x3x that equals 21x and if you multiply 7x8xy that will equal 56xy now you need to add 21x+56xy that will equal 77xy