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Year 8 maths · C.13 · Square roots and cube roots

Simplify square roots

Find the largest perfect square that divides the number inside the root, and take its root outside.

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See worked examples
  1. Simplify √396. Write the answer like 3√5.

    Answer: 6√11

  2. Simplify √294. Write the answer like 3√5.

    Answer: 7√6

  3. Simplify √108. Write the answer like 3√5.

    Answer: 6√3

Tip: Find the largest perfect square that divides the number inside the root, and take its root outside.

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