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Expand (a-1) (a+2). please helpp!!
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Expand (a-1) (a+2). please helpp!!
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Jul 20, 2018
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Expand (a-1) (a+2). please helpp!!
Mathematics
middle-school
Martin Hock
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(a-1) (a+2)
=a^2 - a + 2a - 2
= a^2 + a - 2
Kireeti K
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Jul 20, 2018
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Kireeti K
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do the foil method. first, outer, inner, last.
Tmyklebu
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Jul 24, 2018
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