Answer :
[tex](6p+8)(5p-8) =6p\cdot 5p-6p\cdot 8+8 \cdot 5p -8\cdot 8 =\\ \\=30p^2-48p+40p-64=30p^2-8p-64[/tex]
(6p + 8) (5p-8)
= {6p(5p-8)} + {8p(5p-8)}
= 30p² - 48p + 40p - 64
= 30p² - 4p - 64
= {6p(5p-8)} + {8p(5p-8)}
= 30p² - 48p + 40p - 64
= 30p² - 4p - 64