How do you simplify the expression $4sqrt2-6sqrt8$ ?

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Answer 1 · 2016-04-02T17:36:45

$=- 8 sqrt2$

$4sqrt2 - 6 sqrt8$

We first simplify $sqrt (8) = sqrt (2*2*2) = sqrt ( 2^2 *2 )= color(green)(2 sqrt2$

$=4sqrt2 - 6 * color(green)((2 sqrt2)$

$= 4sqrt2 - 12 sqrt2$

$=- 8 sqrt2$

How do you simplify the expression 4sqrt2-6sqrt84sqrt2-6sqrt8?