Question Simplify the expression Solution 13 Evaluate (2+3i)(2−3i)Use (a+b)(a−b)=a2−b2 to simplify the product 22−(3i)2Evaluate the power 4−(3i)2Evaluate the power More Steps Evaluate (3i)2Evaluate 32i2Evaluate the power 9i2Evaluate the power −9 4−(−9)Solution 13 Show Solution
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