A carpenter is assigned a job of installing a spa into a pre-existing deck. The dimensions of the deck are (5x + 6) wide by (4x + 3) long. The dimensions of the spa are (2x + 6) wide by (x + 8) long.

A carpenter is assigned a job of installing a spa into a pre-existing deck. The dimensions of the deck are (5x + 6) wide by (4x + 3) long. The dimensions of the spa are (2x + 6) wide by (x + 8) long.

a. 18x² + 17x - 30

b. 22x² + 17x - 30

c. 22x² + 61x + 66

d. 18x² + 61x + 66