SOLUTION: factor 64c^2+81-144c

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Question 510149: factor 64c^2+81-144c
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Factor:
64c%5E2%2B81-144c Rewrite in standard form:
64c%5E2-144c%2B81 Notice that the first and last terms are perfect squares: 64+=+8%5E2 and 81+=+9%5E2 so try...
%288c-9%29%288c-9%29 Check by multiplying these factors to see that you get the original trinomial.