Ezra Heart

Is this your question? = sqrt(7) + i^2 -[6-sqrt(-81)]. = sqrt(7) + [sqrt(-1)]^2 -6 + sqrt(81 * -1)] = sqrt(7) -1 -6 + sqrt(81)*sqrt(-1) = sqrt(7) -1 -6 + 9*i = sqrt(7) -7 +9i. = -7 + sqrt(7) + 9i....

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