How do you simplify $4sqrt5(3sqrt5+8sqrt2)$ ?

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Answer 1 · 2017-03-21T13:54:20

$92sqrt2sqrt5$

$4sqrt5(3sqrt5+8sqrt2)$

$:.=4sqrt5 xx 3sqrt5+4sqrt5 xx 8sqrt2$

$:.=sqrt5 xx sqrt5=5$

$:.=(12 xx 5)+32 xx sqrt5 xx sqrt2$

$:.=60+32 xx sqrt5 xx sqrt2$

$:.=92sqrt2sqrt5$

How do you simplify 4sqrt5(3sqrt5+8sqrt2)4sqrt5(3sqrt5+8sqrt2)?