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Popular >

simplify (8+4i)(11-3i)

Solution

simplify

(8 + 4 i) (11 - 3 i)

Solution

100 + 20 i

Solution steps

(8 + 4 i) (11 - 3 i)

Apply complex arithmetic rule:

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

= (8 \cdot 11 - 4 (- 3)) + (8 (- 3) + 4 \cdot 11) i

Simplify

(8 \cdot 11 - 4 (- 3)) + (8 (- 3) + 4 \cdot 11) i : 100 + 20 i

= 100 + 20 i

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Frequently Asked Questions (FAQ)

What is (8+4i)(11-3i) ?
The solution to (8+4i)(11-3i) is 100+20i