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Popular >

simplify (-2-4i)*(1-i)

Solution

simplify

(- 2 - 4 i) \cdot (1 - i)

Solution

- 6 - 2 i

Solution steps

(- 2 - 4 i) (1 - i)

Apply complex arithmetic rule:

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

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

Simplify

(- 2 \cdot 1 - (- 4) (- 1)) + (- 2 (- 1) - 4 \cdot 1) i : - 6 - 2 i

= - 6 - 2 i

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Frequently Asked Questions (FAQ)

What is (-2-4i)*(1-i) ?
The solution to (-2-4i)*(1-i) is -6-2i