Problem 52 of 7
Multiply complex binomials (4- i)(4+i).
Hints
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distribute and simplify i^2.
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Factors must be binomial complex numbers.
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Solution
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1. Distribute each term across the other binomial.
2. Replace i^2 with -1.
3. Combine real and imaginary terms.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Unsimplified FOIL products with i^2 remaining.