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Popular >

simplify (x+4i)(x-4i)

Solution

simplify

(x + 4 i) (x - 4 i)

Solution

x^{2} + 16

Solution steps

(x + 4 i) (x - 4 i)

Apply complex arithmetic rule:

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

= x^{2} + 4^{2}

4^{2} = 16

= x^{2} + 16

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Frequently Asked Questions (FAQ)

What is (x+4i)(x-4i) ?
The solution to (x+4i)(x-4i) is x^2+16