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simplify (z-(4-i))(z-(4+i))

Solution

simplify

(z - (4 - i)) (z - (4 + i))

Solution

z^{2} + 17 - 8 z

Solution steps

(z - (4 - i)) (z - (4 + i))

Apply FOIL method

(z - (4 - i)) (z - (4 + i)) : z^{2} + 17 - 8 z

= z^{2} + 17 - 8 z

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Frequently Asked Questions (FAQ)

What is (z-(4-i))(z-(4+i)) ?
The solution to (z-(4-i))(z-(4+i)) is z^2+17-8z