Answer
The answer is $x^{2}$ + $6x$ + $8$.
Work Step by Step
For (x+4), you will need 1 “x” block and 4 small blocks and for (x+2), you will need 1 “x” block and 2 small blocks. Next, you multiply these two expressions and it results in $x^{2}$ + $6x$ + $8$.
