lucymaebeer04
lucymaebeer04
12-10-2017
Mathematics
contestada
expand (a-1) (a+2). please helpp!!
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rozzgonzales
rozzgonzales
12-10-2017
do the foil method. first, outer, inner, last.
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choixongdong
choixongdong
12-10-2017
(a-1) (a+2)
=a^2 - a + 2a - 2
= a^2 + a - 2
Answer Link
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