How do you simplify $(- 3 + 6 i) + (1 - 9 i)$ $(-3+6i)+(1-9i)$ ?

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How do you simplify $(- 3 + 6 i) + (1 - 9 i)$ $(-3+6i)+(1-9i)$ ?

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Answer 1 · 2018-04-14T13:47:06

$- 2 - 3 i$ $-2-3i$

Explanation:

$remove the parenthesis and collect like terms$ $"remove the parenthesis and collect like terms"$

$= - 3 + 6 i + 1 - 9 i$ $=color(blue)(-3)color(red)(+6i)color(blue)(+1)color(red)(-9i)$

$= - 2 - 3 i$ $=-2-3i$

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How do you simplify $(- 3 + 6 i) + (1 - 9 i)$ $(-3+6i)+(1-9i)$ ?

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How do you simplify $(- 3 + 6 i) + (1 - 9 i)$ $(-3+6i)+(1-9i)$ ?