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Simplifying (a + -1bi)(a + i) = 0 Multiply (a + -1bi) * (a + i) (a(a + i) + -1bi * (a + i)) = 0 ((a * a + i * a) + -1bi * (a + i)) = 0 Reorder the terms: ((ai + a2) + -1bi * (a + i)) = 0 ((ai + a2) + -1bi * (a + i)) = 0 (ai + a2 + (a * -1bi + i * -1bi)) = 0 (ai + a2 + (-1abi + -1bi2)) = 0 Reorder the terms: (-1abi + ai + a2 + -1bi2) = 0 (-1abi + ai + a2 + -1bi2) = 0 Solving -1abi + ai + a2 + -1bi2 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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