How do you combine #(4a + 3b - 8c ) - ( 2a - b + 4c )#?

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Answer 1 · 2017-08-07T02:21:47

See a solution process below:

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

#4a + 3b - 8c - 2a + b - 4c#

Next, group like terms:

#4a - 2a + 3b + b - 8c - 4c#

Now, combine like terms:

#4a - 2a + 3b + b - 8c - 4c#

#4a - 2a + 3b + 1b - 8c - 4c#

#(4 - 2)a + (3 + 1)b + (-8 - 4)c#

#2a + 4b + (-12)c#

#2a + 4b - 12c#