SOLUTION: Factor if possible: b^2 = 13b - 12

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Question 256185: Factor if possible: b^2 = 13b - 12
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
We start with
(i) b%5E2+=+13b+-+12
setting all = 0, we get
(ii) b%5E2+-+13b+%2B+12+=+0
factored we get
(iii) %28b-12%29%28b-1%29=0
Now we solve to get
b = 12
or
b = 1