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Popular >

simplify (-2-i)(12+8i)

Solution

simplify

(- 2 - i) (12 + 8 i)

Solution

- 16 - 28 i

Solution steps

(- 2 - i) (12 + 8 i)

Apply complex arithmetic rule:

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

= (- 2 \cdot 12 - (- 1) \cdot 8) + (- 2 \cdot 8 - 1 \cdot 12) i

Simplify

(- 2 \cdot 12 - (- 1) \cdot 8) + (- 2 \cdot 8 - 1 \cdot 12) i : - 16 - 28 i

= - 16 - 28 i

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Frequently Asked Questions (FAQ)

What is (-2-i)(12+8i) ?
The solution to (-2-i)(12+8i) is -16-28i