Respuesta :

Answer:

12

Step-by-step explanation:

Answer:

x = 12

Step-by-step explanation:

x² = 144

If you take the squared value of 12:

= 12² = 12 × 12 = 144

This makes 144 the perfect square of 12.

Therefore, to solve for the value of x, you must take the squared root of x² and 144:

[tex]\sqrt{x^{2} } = \sqrt{144} = \sqrt{12^{2} }[/tex]

x = 12