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Popular >

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

Solution

simplify

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

Solution

26 + 7 i

Solution steps

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

Apply complex arithmetic rule:

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

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

Simplify

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

= 26 + 7 i

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Frequently Asked Questions (FAQ)

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