Question

factor.
$n^2 + 20n + 19$

Explanation:

Step1: Identify a and c terms

$a=1, c=19$

Step2: Find factors of 19 summing to 20

Factors: $1$ and $19$ (since $1+19=20$)

Step3: Write factored form

$(n+1)(n+19)$

Answer:

$(n+1)(n+19)$