A classroom seating arrangement has 3p2 rows of 3p2 desks ea

A classroom seating arrangement has 3p+2 rows of 3p+2 desks each. How many desks are in the classroom? choices are; a. 9p^2+12p+4, b. 9p2 + 12p + 4 c.9p^2 - 12p + 4 d.9p^2 - 6p + 4.

2. divide; x^4+x^2-80/x+3

Solution

Each row has ---- 3p +2 desk

No. of rows ---- 3p+2 rows

Total numbers of desks = (3p+2)(3p +2) = 9p^2 +6p +6p +4

= 9p^2 +12p +4

Option B