Question 335888
A 3-ft by 6-ft picnic table is placed on an outdoor patio measuring x ft by (x + 3) ft.
 Find a polynomial for the remaining open space on the patio (in square feet). 
:
3 * 6 = 18 sq/ft is the table
:
f(x) = x(x+3) - 18
f(x) = x^2 + 3x - 18