Week 5 in Precalculus 11

Tell:

This week we started our new unit which is, “Factoring polynomial expressions”. It is a review from last year but a good refresher on how to do it.

Show:

Here is one equation I had troubles with.

Explain:

First step find two numbers that = 1 and multiply to 12. Step two place those two numbers in the middle where the x is. Step three simplify the numbers in the brackets by pulling out the common #. For the second bracket when you pull out the -1 make sure you change the signs inside (the part I didn’t do).  Both brackets should have the same binomial. Make the first brackets the binomial that are inside the two and the second bracket the numbers that you factored out.

 

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