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Subtract. Write your answer in simplest form.\newline−92−92-9\sqrt{2} - 9\sqrt{2}

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Full solution

Q. Subtract. Write your answer in simplest form.\newline−92−92-9\sqrt{2} - 9\sqrt{2}
  1. Identify coefficients: −92−92-9 \sqrt{2} - 9 \sqrt{2}\newlineIdentify the expression that combines the coefficients.\newline−92−92=(−9−9)2-9 \sqrt{2} - 9 \sqrt{2} = (-9 - 9) \sqrt{2}
  2. Combine coefficients: Simplify: (−9−9)2(-9 - 9) \sqrt{2}(−9−9)2(-9 - 9) \sqrt{2}=−182= -18 \sqrt{2}

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