## Algebra 1: Common Core (15th Edition)

$x^{2}+8x+12$
a. The length of Kelly's plot is $x+6$ ft. The width of Kelly's plot is $x+2$ ft. The area of Kelly's plot is $(x+6)(x+2)$ Table of products$:$ $\left.\begin{array}{rll} & x & +2\\ \hline x |& x^{2} & 2x\\ +6| & 6x & +12 \end{array}\right.$ $=x^{2}+2x+6x+12$ ...gather like terms. =$x^{2}+8x+12$