How do you simplify $sqrt(8)$ ?

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Answer 1 · 2016-02-22T19:16:39

$=2sqrt2$

We first prime factorise $8$

Prime factorisation involves expressing a number as a product of its prime factors.

$8= 2 xx 2 xx 2$

So,
$sqrt8 = sqrt (2 xx 2 xx 2$

$=sqrt(2^2 xx2$

$=2sqrt2$

How do you simplify sqrt(8)sqrt(8)?