Question

please answer me fast​

Answer 1

Answer:

the answer is

Step-by-step explanation:

$(2n + 1) \: (6n + 1)$

$2n(6n - 1) + (6n - 1)$

$2n(6n - 1) + (6n - 1)$

$12n {}^{2} - 2n + 1(6n - 1)$

$12n{}^{2} - 2n + 6n - 1$

$12n {}^{2} + 4n - 1$