How do you simplify $(sqrt13+6)^2$ ?

Apr 23, 2016

$(sqrt(13)+6)^2=39+12sqrt(13)$

$(sqrt(13)+6)^2$

$=(sqrt(13))^2 + 2(sqrt(13))(6) + 6^2$

$=13+12sqrt(13)+36$

$=39+12sqrt(13)$

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How do you simplify (sqrt13+6)^2(sqrt13+6)^2?