How do you solve $sqrtx=8$ ?

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Answer 1 · 2017-02-27T20:40:01

$x=64$

$color(blue)"square both sides"$

$color(orange)"Reminder " (sqrtx xxsqrtx)=(sqrtx)^2=x$

$(sqrtx)^2=8^2$

$rArrx=64$

How do you solve sqrtx=8sqrtx=8?