Respuesta :

MarkV
Hi there!
The answers are x = 3 and x = -3.

[tex]3 {x}^{2} - 27 = 0[/tex]
Add 27.

[tex]3 {x}^{2} = 27[/tex]
Divide by 3.

[tex] {x}^{2} = 9[/tex]
Take the root and the negative root.

[tex]x = \sqrt{9} = 3 \: \: or \: \: x = - \sqrt{9} = - 3[/tex]
Therefore, the answers are x = 3 and x = -3.

~ Hope this helps you!

The value of X  are x = 3 and x = -3. using square root.

What is square root?

A square root can be regarded as a factor of a number in the sense that when that number is multiplied by itself, it gives the original number.

3x²– 27 = 0

⇒3x²= 27

⇒x²= 27/3

⇒x² = 9

⇒x = sqrt(9)

⇒ x =±3

Learn more about square roots here:-https://brainly.com/question/3617398

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