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Popular >

simplify (4-i)(4+i)

Solution

simplify

(4 - i) (4 + i)

Solution

17

Solution steps

(4 - i) (4 + i)

Apply complex arithmetic rule:

(a + bi) (a - bi) = a^{2} + b^{2}

= 4^{2} + (- 1)^{2}

4^{2} + (- 1)^{2} = 17

= 17

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Frequently Asked Questions (FAQ)

What is (4-i)(4+i) ?
The solution to (4-i)(4+i) is 17