Respuesta :
The correct answer is 27. To solve this, you must take the square root of both sides. This leaves you with x = 27.
Answer:
x=27 or x=−27
Step-by-step explanation:
[tex]x^{2}[/tex]=729
Step 1: Take square root.
x=±[tex]\sqrt{729}[/tex]
x=27 or x=−27