How do you combine like terms in $(6 + 8 i) + (1 - 9 i)$ $(6+ 8i ) + ( 1- 9i )$ ?

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Answer 1 · 2018-05-18T22:39:22

$(7 - i)$ $(7 - i)$

$(6 + 8 i) + (1 - 9 i)$ $(6+8i)+(1-9i)$

$(6 + 8 i + 1 - 9 i)$ $(6+8i +1-9i)$

$(6 + 1 + 8 i - 9 i)$ $(6+ 1 +8i-9i)$

$(7 - i)$ $(7 - i)$

How do you combine like terms in (6+8i)+(1−9i)(6+ 8i ) + ( 1- 9i )?