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December 20, 2014

December 20, 2014

Posted by **sheba** on Saturday, July 30, 2011 at 11:48am.

-4t^2+64

- algebra -
**Reiny**, Saturday, July 30, 2011 at 12:00pmI see a common factor of 4 and a hint of a difference of squares. But I would like the expression to start with a +

= -4(t^2 - 16) , aahhh!

= -4(t+4)(t-4)

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