wbisbee17
wbisbee17
28-05-2015
Mathematics
contestada
(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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