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Popular >

simplify (2-4i)(3+5i)

Solution

simplify

(2 - 4 i) (3 + 5 i)

Solution

26 - 2 i

Solution steps

(2 - 4 i) (3 + 5 i)

Apply complex arithmetic rule:

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

= (2 \cdot 3 - (- 4) \cdot 5) + (2 \cdot 5 - 4 \cdot 3) i

Simplify

(2 \cdot 3 - (- 4) \cdot 5) + (2 \cdot 5 - 4 \cdot 3) i : 26 - 2 i

= 26 - 2 i

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Frequently Asked Questions (FAQ)

What is (2-4i)(3+5i) ?
The solution to (2-4i)(3+5i) is 26-2i