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11-05-2014
Mathematics

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multiplying polynomials
(3m-1)(8m+7)

Respuesta :

11-05-2014

[tex](3m-1)(8m+7)=3m\cdot 8m+3m\cdot 7-1\cdot 8m-1\cdot 7=\\ \\=24m^2+21m-8m-7=24m^2+13m-7[/tex]

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tadvisohil886 tadvisohil886

11-05-2014

(3m -1)(8m + 7)

= {3m(8m + 7)} - {1(8m+7)}

= 24m² + 21m - 8m+ 7

= 24m² + 13m - 7

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