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More on Exponents and Like Terms
On the other hand, in
You should be using your calculator for these , but you
should know how the sign is going to come out
Quiz 08, Part I
As we did before, we can factor out the common factor (or both factors of x). This would give us
Another way of thinking about this, we’re adding a bunch
of x2’s, three of them and then four more, for a
total of seven.
In general, as long as the variable parts are the same, then we can add the coefficients. For example,
We can factor this, of course, but keep in mind where you
want to end up. If you’re multiplying everything
out, this is the form you want.
Here are a few more examples.
It is customary to arrange the terms from lowest power to highest or the other way, from highest to lowest.
Quiz 08, Part II
Combine like terms, and put in simplified expanded form. Giving terms in reverse order is fine.
Combine like terms, and put in simplified expanded form.