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Multiply. Write your answer in simplest form. \newline5(9+3)\sqrt{5}(-9 + \sqrt{3})

Full solution

Q. Multiply. Write your answer in simplest form. \newline5(9+3)\sqrt{5}(-9 + \sqrt{3})
  1. Distribute 5\sqrt{5}: Distribute 5\sqrt{5} to both terms inside the parentheses.\newline5(9+3)=5×(9)+5×3\sqrt{5}(-9 + \sqrt{3}) = \sqrt{5} \times (-9) + \sqrt{5} \times \sqrt{3}
  2. Multiply by 9-9: Now, multiply 5\sqrt{5} by 9-9:\newline5×(9)=9×5\sqrt{5} \times (-9) = -9 \times \sqrt{5}
  3. Multiply by 3\sqrt{3}: Next, multiply 5\sqrt{5} by 3\sqrt{3}:5×3=5×3=15\sqrt{5} \times \sqrt{3} = \sqrt{5 \times 3} = \sqrt{15}
  4. Combine products: Combine the two products:\newline9×5+15-9 \times \sqrt{5} + \sqrt{15}
  5. Final form: This expression is already in its simplest form, as there are no like terms to combine and the square roots cannot be simplified further.

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