Which constant must be added and subtracted to solve the quadratic equation 9x^2 + 3x – 8 = 0
Which constant must be added and subtracted to solve the quadratic equation 9x2 + 3x – 8 = 0 by the method of completing the square ?
A) 1/36
B) 9/64
C) 1/3
D) 1/4
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