Posted by Meloney on Wednesday, May 6, 2009 at 5:57pm.
Hey, Mel!
Well, w^2 + 15w - 12w - 180 = 0.
Turns into:
w^2 + 3w - 180 = 0.
Then, you can either split the middle form (take 2) or you can do the other thing (don't know how to explain it... but you know what I mean by take 1, right?)
If you need any more help, tell me. :-)
my equation is splitting the middle term emmalene. sigh.
w^2 + 15w - 12w - 180 = 0
pull out the GCF of each pair.
w(w + 15) - 12(w + 15) = 0
then pull out the common factor (w + 15) from eatch term.
(w + 15)(w - 12) = 0
see if you can take it from there.
thanks so much!!!
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