Marina starts to solve the quadratic equation 3x 2 + 5x - 2 = 0.
3x 2 + 5x - 2 = 0 3 3 x 2 + 5 3 x = 2 3 x 2 + 5 3 x = 2 3
What value should Marina add to both sides of the equation to complete the square?
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