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Popular >

simplify (2+8i)(9+5i)

Solution

simplify

(2 + 8 i) (9 + 5 i)

Solution

- 22 + 82 i

Solution steps

(2 + 8 i) (9 + 5 i)

Apply complex arithmetic rule:

(a + bi) (c + d i) = (a c - b d) + (a d + b c) i

= (2 \cdot 9 - 8 \cdot 5) + (2 \cdot 5 + 8 \cdot 9) i

Simplify

(2 \cdot 9 - 8 \cdot 5) + (2 \cdot 5 + 8 \cdot 9) i : - 22 + 82 i

= - 22 + 82 i

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Frequently Asked Questions (FAQ)

What is (2+8i)(9+5i) ?
The solution to (2+8i)(9+5i) is -22+82i