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solve for t. \\sqrt{t} - 3 = 15 \ ewline t = \\square

Question

solve for t. \sqrt{t} - 3 = 15 \
ewline t = \square

Explanation:

Step1: Isoler la racine carrée

$\sqrt{t} - 3 = 15$
$\sqrt{t} = 15 + 3$
$\sqrt{t} = 18$

Step2: Élever au carré des deux côtés

$(\sqrt{t})^2 = 18^2$
$t = 324$

Answer:

$t = 324$