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Express as a trinomial. (x−8)(2x+9)
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Express as a trinomial. (x−8)(2x+9)
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Jan 19, 2018
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Express as a trinomial.
(x−8)(2x+9)
Mathematics
high-school
Abuzer Firdousi
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Abuzer Firdousi
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basically expand
use FOIL (a way to remember distributive property)
first outer inner last
that is th eorder to multiply them
First: x times 2x=2x²
Outer: x tmes 9=9x
Inner: -8 times 2=-16x
last: -8 times 9=-72
add them
2x²+9x-16x-72
2x²-7x-72
Steve Kass
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Jan 23, 2018
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Steve Kass
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