How do you simplify the expression ${(3 - \sqrt{5})}^{2}$ $(3-sqrt5)^2$ ?

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Answer 1 · 2017-05-25T05:19:01

$14 - 6 \sqrt{5}$ $14-6sqrt5$

${(3 - \sqrt{5})}^{2}$ $(3-sqrt5)^2$

expand

$(3 - \sqrt{5}) \times (3 - \sqrt{5})$ $(3-sqrt5) xx (3-sqrt5)$

multiply

$9 - 3 \sqrt{5} - 3 \sqrt{5} + 5$ $9 -3sqrt(5)-3sqrt(5)+5$

simplify

$9 - 6 \sqrt{5} + 5$ $9 -6sqrt(5)+5$

$14 - 6 \sqrt{5}$ $14-6sqrt5$

Answer 2 · 2017-05-25T07:31:01

14 - 6 $\sqrt{5}$ $sqrt(5)$

My own work (Mert METİN)

How do you simplify the expression (3−√5)2(3-sqrt5)^2?