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I need help with this question

I need help with this question-example-1

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= 4 (6) - 4 (√2) + √2 (6) - √2 √2
= 24 - 4√2 + 6√2 - 2
= (24 - 2) + (- 4√2 + 6√2)
= 22 + √2(- 4 + 6)
= 22 + √2 (2)
= 22 + 2√2

hope it helps
User Mreq
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