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Answer:
You add polynomials when there are plus signs. You subtract them when there is a minus sign. Remember to only add/subtract like terms within the polynomials.
Step-by-step explanation:
The main thing to remember is to look for and combine like terms. You can add two (or more) polynomials as you have added algebraic expressions. You can remove the parentheses and combine like terms. Regroup using the commutative property of addition and the associative property of addition.
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