How do you combine like terms in #(4+ 6i ) + ( 8- 7i )#?

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Answer 1 · 2017-05-25T00:46:58

See a solution process below:

First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:

#4 + 6i + 8 - 7i#

Next, group like terms:

#6i - 7i + 4 + 8#

Now, combine like terms:

#(6 - 7)i + (4 + 8)#

#-1i + 12#

#-i + 12#

Or

#12 - i#