1. The problem statement, all variables and given/known data 12x^2 - 9 = 0 2. Relevant equations 3. The attempt at a solution Im having doubts about how to start I could factorize for 3(4x^2 - 3) = 0 or to pass -9 to the other side 12x^2 = 9 and keep solving. What should I do? Thanks.