Posted by krystal on Monday, February 16, 2009 at 7:06pm.
I've worked these problems but I was just wondering if someone could check over them to see if they're correct...if not please help!
(u2)(u+7)
my answer: 7u^249u
(5t4)^2
my answer: 25t^240+16
Thank you :)

math  Damon, Monday, February 16, 2009 at 7:21pm
hmm, well use either FOIL or the distributive property. I will use distributive property:
(u2)(u+7)
my answer: 7u^249u

u(u+7) 2(u+7)
u^2 + 7u  2u  14
=
u^2 + 5 u  14
===============================

math  Damon, Monday, February 16, 2009 at 7:22pm
25t^240+16
You forgot a t
25t^240t+16
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