wbisbee17 wbisbee17

28-05-2015
Mathematics

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(2a-1)(8a-5)

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

need help

Respuesta :

darth666 darth666

28-05-2015

[tex](2a-1)(8a-5)=16a^2-10a-8a+5=16a^2-18a+5[/tex]

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

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