SOLUTION: factor a� + 12a + 36

Question 281278: factor a� + 12a + 36
Found 2 solutions by vleith, josmiceli:
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I like to use completing the square

Note that this is in the form

The left side is a perfect square:

This equation has a double root which is

check:

OK
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