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**1. Homework Statement**

How to factor this monster? I am rather clueless

[tex]144t^{4}-288t^{3}+864t^{2}-720t+900[/tex]

**2. Homework Equations**

Hint is given that you can get two quadratic polynomials out of it..

**3. The Attempt at a Solution**

I can always cheat by using Maple to factor but I don't want do it! I want learn how to do it.

Thanks for any help!