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Popular >

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

Solution

simplify

(4 - 3 i) (2 + i)

Solution

11 - 2 i

Solution steps

(4 - 3 i) (2 + i)

Apply complex arithmetic rule:

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

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

Simplify

(4 \cdot 2 - (- 3) \cdot 1) + (4 \cdot 1 - 3 \cdot 2) i : 11 - 2 i

= 11 - 2 i

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simplify (-12)/4 simplify

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Frequently Asked Questions (FAQ)

What is (4-3i)(2+i) ?
The solution to (4-3i)(2+i) is 11-2i