How do you simplify $sqrt14*sqrt21$ ?

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Answer 1 · 2016-10-20T19:27:10

Write each number as the product of its prime factors first.
Then combine all the factors under one root and see if there are any squares.

$sqrt 14 xx sqrt21 = sqrt (2xx7) xx sqrt (3xx7$

= $sqrt(2xx3xx7^2$

= $7sqrt6$

How do you simplify sqrt14*sqrt21sqrt14*sqrt21?