P={ 2 a 2 3} q={1 a^2 A 3 5}

请输入您的数学问题…… P={-2 a-2 3} Q={1 a^2-a-3 -5}

问题

P = - 2 a - 23 Q = 1 a^{2} - a - 3 - 5

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