How do you simplify $- 12 + (- 9 - 6 i) + (1 - 4 i)$ $-12+(-9-6i)+(1-4i)$ ?

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How do you simplify $- 12 + (- 9 - 6 i) + (1 - 4 i)$ $-12+(-9-6i)+(1-4i)$ ?

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Answer 1 · 2016-10-17T21:39:03

The simplified expression is $- 20 - 10 i$ $-20 - 10i$ .

Explanation:

When combining complex numbers, you combine the like parts.

$- 12 + (- 9 - 6 i) + (1 - 4 i)$ $-12 + (-9 - 6i ) + (1 - 4i)$
$(- 12 - 9 + 1) + (- 6 i - 4 i)$ $(-12 - 9 + 1) + (-6i - 4i)$
$- 20 - 10 i$ $-20 - 10i$

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How do you simplify $- 12 + (- 9 - 6 i) + (1 - 4 i)$ $-12+(-9-6i)+(1-4i)$ ?

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How do you simplify −12+(−9−6i)+(1−4i)-12+(-9-6i)+(1-4i)?

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How do you simplify $- 12 + (- 9 - 6 i) + (1 - 4 i)$ $-12+(-9-6i)+(1-4i)$ ?