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An HVAC technician uses the quadratic equation 3p^2 + 2p + 9 = 0 to model the pressure variance in a cooling unit. To determine if the system can reach a stable state, the technician first calculates the discriminant (the expression b^2 - 4ac). For this specific equation, the numerical value of the discriminant is ____.

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Updated 2026-04-06

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