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Please help, Write the sum.

Please help, Write the sum.-example-1

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12\sqrt{23 x^(13)}+14\sqrt{23 x^(13)}\\\\=(12+14)\left(\sqrt{23 x^(13)}\right)\\\\=26\left(\sqrt{23 x^(13) }\right)\\\\=26√(23) \sqrt{x^(13)}\\\\=26\cdot 23^(\tfrac 12) \cdot x^{\tfrac {13}2}

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