What are the solution(s) to the quadratic equation 9x2 = 4?

[Karthik]

What are the solution(s) to the quadratic equation 9x2 = 4?

• x =4/9 and x = -4/9
• x = 2/3 and x = -2/3
• x = 3/2 and x = -3/2 no real solution