Question Simplify the expression Solution −48−14i Evaluate (1−7i)2Use (a−b)2=a2−2ab+b2 to expand the expression 12−2×1×7i+(7i)21 raised to any power equals to 1 1−2×1×7i+(7i)2Multiply the terms More Steps Multiply the terms 2×1×7iRewrite the expression 2×7iMultiply the numbers 14i 1−14i+(7i)2Evaluate the power More Steps Evaluate (7i)2Evaluate 72i2Evaluate the power 49i2Evaluate the power −49 1−14i−49Solution −48−14i Show Solution
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