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OpenStudy (anonymous):
PLEASE HELP I REALLY NEED TO PASS! Find The Product. (t-sa)(9t+6sa)
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Mehek (mehek14):
use FOIL
OpenStudy (calculusxy):
|dw:1444596888643:dw|
OpenStudy (calculusxy):
I am not sure if this is correct ...
OpenStudy (calculusxy):
sorry. one moment
Mehek (mehek14):
\(\tt{(t-sa)(9t+6sa)\\t*9t=9t^2\\-sa*9t=-9tsa\\t*6sa=6tsa\\-sa*6sa=-6sa^2\\9t^2-9tsa+6tsa-6sa^2}\)
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Mehek (mehek14):
you have to combine like terms
Mehek (mehek14):
\(\tt{-9tsa+6tsa=-3tsa}\)
OpenStudy (calculusxy):
yes that's correct
OpenStudy (freckles):
|dw:1444597193897:dw|
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