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Popular >

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

Solution

simplify

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

Solution

26 + 7 i

Solution steps

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

Apply complex arithmetic rule:

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

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

Simplify

(4 \cdot 5 - 3 (- 2)) + (4 (- 2) + 3 \cdot 5) i : 26 + 7 i

= 26 + 7 i

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expand (b+4a)^2 expand

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Frequently Asked Questions (FAQ)

What is (4+3i)(5-2i) ?
The solution to (4+3i)(5-2i) is 26+7i