How do you combine like terms in #(2x ^ { 2} + 8x ^ { 4} ) + ( 2x ^ { 2} - 3x ^ { 4} )#?
2 Answers
Explanation:
You can ignore the parenthesis because they are adding.
If they were subtracting then all the terms inside the negative parenthesis would change sign.
So, let's rewrite it like this.
Now just add and subtract common terms
Explanation:
The first step is to clear the brackets. That will adjust the signs of the factors enclosed so the terms can be combined.
Given:
Remove brackets and adjust signs:
Notice that no signs had to be changed because both brackets were preceded by
Now we can arrange the terms:
Combining and re-arranging terms: