ACT Math : How to add polynomials
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Example Questions
Example Question #1 : How To Add Polynomials
Simplify the following expression.
Line up each expression vertically. Then combine like terms to solve.
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Thus, the final solution is 
Example Question #12 : Polynomials
What is the value of 
In adding 
. . .and adding 
. . .the variables are isolated to become:
After dividing both sides by 
Example Question #2 : How To Add Polynomials
Add the following polynomials:
This is a problem where elimination can be help you save a little time. You can eliminate options quickly by simplifying one power at a time and comparing your work with the answer choices.
To begin, reorder the problem so that all like terms are next to each other. When doing so, keep an eye on your signs so that you don't accidentally make a mistake.
From here, combine each pair of terms. As you do so, compare your work with the answer choices.
Once you put all of your solutions together, the correct answer looks like this:
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