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Multiply. Write your answer in simplest form. \newline2(9+5)\sqrt{2}(-9 + \sqrt{5})

Full solution

Q. Multiply. Write your answer in simplest form. \newline2(9+5)\sqrt{2}(-9 + \sqrt{5})
  1. Distribute 2\sqrt{2}: Distribute 2\sqrt{2} to both terms inside the parentheses.2(9+5)\sqrt{2}(-9 + \sqrt{5}) = 2×(9)\sqrt{2} \times (-9) + 2×5\sqrt{2} \times \sqrt{5}
  2. Multiply by 9-9: Multiply 2\sqrt{2} by 9-9.2×(9)=9×2\sqrt{2} \times (-9) = -9 \times \sqrt{2}
  3. Multiply by 5\sqrt{5}: Multiply 2\sqrt{2} by 5\sqrt{5}.2×5=2×5=10\sqrt{2} \times \sqrt{5} = \sqrt{2 \times 5} = \sqrt{10}
  4. Combine results: Combine the results from Step 22 and Step 33.\newline9×2+10-9 \times \sqrt{2} + \sqrt{10}

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