Final Answer
$\left(x+y+z\right)^2$
Got another answer? Verify it here!
Step-by-step Solution
Specify the solving method
1
When multiplying two powers that have the same base ($x+y+z$), you can add the exponents
$\left(x+y+z\right)^2$
Final Answer
$\left(x+y+z\right)^2$