The general form of an even number is 2n. So, odd number is 2n + 1 and 2n + 3.
Now, we have as the follows,
(2x + 1)(2x + 3) = 323
Or, 4x^2 + 6x + 2x + 3 = 323
Or, 4x^2 + 8x - 320 = 0
Or, x^2 + 2x - 80 = 0
Hence, the quadratic equation established is
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That's it..