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1) 4√14
-6(√14 -2) - ------- =
2
= -6√14 + 12 -2√14 =
= -8√14 +12
2)
2(√13 + √3) - 4(√13 -3) =
= 2√13 + 2√3 - 4√13 +12 =
= -2√13 +2√3 +12
3)
-(∛2 -2∛6) +3(5∛2 - ∛-6) =
= -∛2 +2∛6 +15∛2 -3∛-6 =
= 14∛2 + 2∛6 -3*(-∛6) =
= 14∛2 +2∛6 +3∛6 =
= 14∛2 +5∛6
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1) 4√14
-6(√14 -2) - ------- =
2
= -6√14 + 12 -2√14 =
= -8√14 +12
2)
2(√13 + √3) - 4(√13 -3) =
= 2√13 + 2√3 - 4√13 +12 =
= -2√13 +2√3 +12
3)
-(∛2 -2∛6) +3(5∛2 - ∛-6) =
= -∛2 +2∛6 +15∛2 -3∛-6 =
= 14∛2 + 2∛6 -3*(-∛6) =
= 14∛2 +2∛6 +3∛6 =
= 14∛2 +5∛6