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Popular >

simplify (x-5i)(x+5i)

Solution

simplify

(x - 5 i) (x + 5 i)

Solution

x^{2} + 25

Solution steps

(x - 5 i) (x + 5 i)

Apply complex arithmetic rule:

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

= x^{2} + (- 5)^{2}

(- 5)^{2} = 25

= x^{2} + 25

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Frequently Asked Questions (FAQ)

What is (x-5i)(x+5i) ?
The solution to (x-5i)(x+5i) is x^2+25