Using the GCF and the Distributive property to express the sum as a product, the expression is 3(7 + 8)
The expression is given as:
21 + 28
Expand the terms of the expression
3 * 7 + 3 * 8
Factor out 3 from the expression
3(7 + 8)
Hence, by using the GCF and the Distributive property to express the sum as a product, the expression is 3(7 + 8)
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