Question

Product of (n+7) exponent 2

Answer 1

n^2 +14n +49

Explanation:

(n+7)^2

(n+7) (n+7)

FOIL

first = n*n

outer = n*7

inner = 7*n

last 7*7 =49

Add them together

n^2 +7n+7n+49

Combine like terms

n^2 +14n +49