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enot [183]
4 years ago
10

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

Mathematics
2 answers:
GenaCL600 [577]4 years ago
6 0
Do the foil method. first, outer, inner, last.

Yanka [14]4 years ago
6 0
<span> (a-1) (a+2)
=a^2 - a + 2a - 2
= a^2 + a - 2</span>
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