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Popular >

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

Solution

simplify

(2 + 4 i) (3 - i)

Solution

10 + 10 i

Solution steps

(2 + 4 i) (3 - i)

Apply complex arithmetic rule:

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

= (2 \cdot 3 - 4 (- 1)) + (2 (- 1) + 4 \cdot 3) i

Simplify

(2 \cdot 3 - 4 (- 1)) + (2 (- 1) + 4 \cdot 3) i : 10 + 10 i

= 10 + 10 i

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Frequently Asked Questions (FAQ)

What is (2+4i)(3-i) ?
The solution to (2+4i)(3-i) is 10+10i