Answer
$30n^2+19n-5$
Work Step by Step
RECALL:
The distributive property states that for any real numbers a, b, and c:
$a(b+c) = ab+ac
\\a(b-c) = ab-ac$
Use the distributive property (which is shown above) to obtain:
$=5n(6n+5) -1(6n+5)
\\=30n^2+25n -6n -5$
Combine like terms to obtain:
$=30n^2+19n-5$
