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Subtract. Write your answer in simplest form.\newline−25−85-2\sqrt{5} - 8\sqrt{5}

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Full solution

Q. Subtract. Write your answer in simplest form.\newline−25−85-2\sqrt{5} - 8\sqrt{5}
  1. Combine coefficients: −25−85-2 \sqrt{5} - 8 \sqrt{5}\newlineIdentify the expression that combines the coefficients.\newline−25−85=(−2−8)5-2 \sqrt{5} - 8 \sqrt{5} = (-2 - 8) \sqrt{5}
  2. Simplify expression: Simplify: (−2−8)5(-2 - 8) \sqrt{5}\newline(−2−8)5=−105(-2 - 8) \sqrt{5} = -10 \sqrt{5}

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