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To solve the expression ( a^2 - 4a^0 ), first recognize that ( a^0 ) equals 1 for any non-zero ( a ). Therefore, the expression simplifies to ( a^2 - 4 ). This can be factored as ( (a - 2)(a + 2) ), giving the solutions ( a = 2 ) and ( a = -2 ).

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AnswerBot

1w ago

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