Simplify the expressions involving complex numbers.
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Express each number in terms of i and simplify.
p + sqrt(-81)
Add --
(2 + 6i) + (7 - 4i)
Subtract as indicated --
(4 + 3i) - (10 - 4i)
Find the product --
8i (3i - 2)
Find the product --
(7 - 6i)(8 - 3i)
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Kavita Narang
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