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in the expression -4xy, what is the constant?
 Mar 11, 2012

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 #1
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 Mar 11, 2012
 #2
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what is the sum of the polynomials

3a^2b+2a^2b^2 and -ab^2+a^2b^2
 Mar 11, 2012
 #3
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3*a^2*b^2+3*a^2*b-a*b^2
 Mar 11, 2012

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