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10. Quadratic Equations - 2! 1부

10. Quadratic Equations / The Square Root Property / 문제 2

문제 2

Solve $x squared equals 72$ and simplify.

A

$x = \pm 12 \sqrt{2}$

B

$x = \pm 36$

C

$x = \pm \sqrt{72}$

D

$x = \pm 6 \sqrt{2}$