Given (a ^ 2-3a-1) + (a ^ 2-5a-6) * I = 3, find the value of real number a

According to the correspondence between the real part and the imaginary part of the complex number, we can list a & # 178; - 3a-1 = 3 A & # 178; - 5a-6 = 0 until the common solution a = - 1

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