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What is the following product?

What is the following product?-example-1
User Radven
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1 Answer

3 votes

Answer:

2√42 + 7√2 - 6 - √21

Explanation:

Use the FOIL method: first terms, outer terms, inner terms, last terms:

√[14·12] + √[14·7] - √36 - √21

This simplifies to: √[3·4·14} + √98 - 6 - √21, or

2√42 + 7√2 - 6 - √21

This matches the first answer choice.

User Kaushik Wavhal
by
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