Answer:
3x^2 -1 =0
a = 3 c = -1 and b = 0
Using the quadratic formula:
x = [-b +- sqr root (b^2 - 4ac)] / 2a
x = [-0 +- sqr root (0^2 - 4*3 *-1] / -2 * 3
x = +- sqr root (12) / -6
x = +2 * sqr root (3) /-6
x1 = + sqr root (3) / -3
x2 = -sqr root (3) / -3
Explanation: