187,572 views
39 votes
39 votes
Solve the equation 3x² = 108.

User Demwis
by
3.1k points

2 Answers

23 votes
23 votes

Answer:

x = ± 6

Explanation:

Quick steps


3x^(2) =108


x=\sqrt{(108)/(3) } =√(36)


x= ±6

A (positive) number has two square roots; one positive and one negative

Hope this helps

User Leandro Hoffmann
by
3.1k points
29 votes
29 votes

Answer:

x = 6

Explanation:

First we divide both sides by 3 :

x² = 108 ÷ 3

x² = 36

Now we square root both sides :

x = √36

x = 6

Hope this helped and have a good day

User JP Richardson
by
3.5k points