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Simplify the expression: (21)13(21)1+3, writing your answer as abc, where a, b, and c are positive integers

 Jun 15, 2021
 #1
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The expression is equal to 6 - 3*sqrt(2).

 Jun 15, 2021
 #2
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Can you explain how you got your answer?

JKP1234567890  Jun 16, 2021

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