senathghosh4084 senathghosh4084
  • 23-10-2018
  • Mathematics
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Combine these radicals. 3 square root of 2 -5 square root of 2

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Аноним Аноним
  • 23-10-2018

You can see that both terms involve the square root of two. Think of it as a variable, say x. Your expression becomes

[tex] 3\sqrt{2}-5\sqrt{2} \to 3x-5x = x(3-5) = x(-2) = -2x \to -2\sqrt{2} [/tex]

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