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Popular >

simplify (2+7i)(4-6i)

Solution

simplify

(2 + 7 i) (4 - 6 i)

Solution

50 + 16 i

Solution steps

(2 + 7 i) (4 - 6 i)

Apply complex arithmetic rule:

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

= (2 \cdot 4 - 7 (- 6)) + (2 (- 6) + 7 \cdot 4) i

Simplify

(2 \cdot 4 - 7 (- 6)) + (2 (- 6) + 7 \cdot 4) i : 50 + 16 i

= 50 + 16 i

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Frequently Asked Questions (FAQ)

What is (2+7i)(4-6i) ?
The solution to (2+7i)(4-6i) is 50+16i