10-05-2014
Mathematics

Answered

multiplying polynomials
find the product
(5n+6)(5n-5)

Answer :

10-05-2014

[tex](5n+6)(5n-5) =5n\cdot 5n -5n\cdot 5+6\cdot 5n-6\cdot 5=\\ \\=25n^2-25n+30n-30 =25n^2+5n-30[/tex]

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tadvisohil886 tadvisohil886

11-05-2014

(5n + 6)(5n-5)

= {5n(5n-5)} + {6(5n-5)}

= 25n² - 25n + 30n - 30

= 25n² + 5n - 30

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