Question

Under root, root 63 - root 56 answer in the irrational form​

Answer 1

Answer:

63 can be factored into the product of a perfect square … 9 … times a non-perfect square … 7 …, so you can simplify the square root of 63 by “freeing” from the radical sign the perfect square … 9 … into a 3 while the 7 remains inside. The square root of 63 then becomes 3 times the square root of 7. Radicands that do not contain a perfect square factor remain inside the radical sign and are said to be in simplest form already.

Step-by-step explanation:

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