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Expand (a-1) (a+2). please helpp!!
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2 votes
Expand (a-1) (a+2). please helpp!!

User Martin Hock
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2 Answers

2 votes
(a-1) (a+2)
=a^2 - a + 2a - 2
= a^2 + a - 2
User Kireeti K
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8.1k points
3 votes
do the foil method. first, outer, inner, last.

User Tmyklebu
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8.1k points
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