lucymaebeer04
lucymaebeer04 lucymaebeer04
  • 12-10-2017
  • Mathematics
contestada

expand (a-1) (a+2). please helpp!!

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rozzgonzales
rozzgonzales rozzgonzales
  • 12-10-2017
do the foil method. first, outer, inner, last.

Answer Link
choixongdong
choixongdong choixongdong
  • 12-10-2017
 (a-1) (a+2)
=a^2 - a + 2a - 2
= a^2 + a - 2
Answer Link

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