QuestionAugust 27, 2025

Question Simplify: (3-2sqrt (7))(4-2sqrt (7)) Provide your answer below:

Question Simplify: (3-2sqrt (7))(4-2sqrt (7)) Provide your answer below:
Question
Simplify: (3-2sqrt (7))(4-2sqrt (7))
Provide your answer below:

Solution
4.4(380 votes)

Answer

40 - 14\sqrt{7} Explanation 1. Apply the distributive property Multiply each term in the first binomial by each term in the second binomial: (3)(4) + (3)(-2\sqrt{7}) + (-2\sqrt{7})(4) + (-2\sqrt{7})(-2\sqrt{7}). 2. Calculate each multiplication 12 - 6\sqrt{7} - 8\sqrt{7} + 4 \cdot 7. 3. Simplify the expression Combine like terms: 12 - 14\sqrt{7} + 28. 4. Final simplification Add the constant terms: 40 - 14\sqrt{7}.

Explanation

1. Apply the distributive property<br /> Multiply each term in the first binomial by each term in the second binomial: $(3)(4) + (3)(-2\sqrt{7}) + (-2\sqrt{7})(4) + (-2\sqrt{7})(-2\sqrt{7})$.<br /><br />2. Calculate each multiplication<br /> $12 - 6\sqrt{7} - 8\sqrt{7} + 4 \cdot 7$.<br /><br />3. Simplify the expression<br /> Combine like terms: $12 - 14\sqrt{7} + 28$.<br /><br />4. Final simplification<br /> Add the constant terms: $40 - 14\sqrt{7}$.
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