SOLUTION: b^4-25b^2+144

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Question 225153: b^4-25b^2+144
Answer by LtAurora(115) About Me  (Show Source):
You can put this solution on YOUR website!
Factoring fun:
Factors of 144 that add to give 25 are 9 and 16, so:
%28b%5E2-9%29%28b%5E2-16%29 is your answer.
They have to be negative to get the -25, and when the two negative numbers are multiplied, you get a positive 144.