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Home > AC > Chapter 3 > Lesson 3.1.2 > Problem 3-15
3-15.
Copy and simplify the following expressions by combining like terms.
Flip subtraction to addition.
Combine like terms.
Remember you cannot combine
and .
Also remember to put the terms in decreasing order of their exponents.
See the hints in part (a).
See the hints in part (a).
Remember
cannot be combined with or .
See the hints in part (a) and part (c).