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How do you simplify $sqrt18 ÷ sqrt8 - 3$ ?

1 Answer

Sep 21, 2015

$-3/2or -9/2$

Explanation:

$sqrt18-sqrt8-3=sqrt(18/8)-3=sqrt(9/4)-3=|3/2|-3$
$=3/2-3 or -3/2-3$
$=-3/2 or -9/2$

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