How do you simplify $2 sqrt 5+ 2 sqrt5$ ?

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Answer 1 · 2016-02-14T09:53:21

$4sqrt5$

Treat radicals like variables, we can only add or subtract those with similar radicals

Let $x = sqrt5$

$=> 2sqrt5 + 2sqrt5 => 2x + 2x$

$=> 4x$

$=> 4sqrt5$

How do you simplify 2 sqrt 5+ 2 sqrt52 sqrt 5+ 2 sqrt5?