164k views
2 votes
Which set is the solution set for 3x^2-78=114

User F Perroch
by
7.7k points

1 Answer

5 votes
3x² - 78 = 114


3x² = +78 + 114

3x² = 192

x² = 192/3

x² = 64 and x = -+ √64, x' =8 and x" =-8



User Alex Reid
by
8.9k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.