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How do you solve 9 plus 4i quantity squared? - Answers

(9 + 4i)^2 = 9^2 + (2)(9)(4i) +i^2 substitute i^2 for -1; = 81 + 72i -1 = 80 + 72i



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How do you solve 9 plus 4i quantity squared? - Answers

https://math.answers.com/algebra/How_do_you_solve_9_plus_4i_quantity_squared

(9 + 4i)^2 = 9^2 + (2)(9)(4i) +i^2 substitute i^2 for -1; = 81 + 72i -1 = 80 + 72i



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https://math.answers.com/algebra/How_do_you_solve_9_plus_4i_quantity_squared

How do you solve 9 plus 4i quantity squared? - Answers

(9 + 4i)^2 = 9^2 + (2)(9)(4i) +i^2 substitute i^2 for -1; = 81 + 72i -1 = 80 + 72i

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      (9 + 4i)^2 = 9^2 + (2)(9)(4i) +i^2 substitute i^2 for -1; = 81 + 72i -1 = 80 + 72i

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