Answer
$212$.
Work Step by Step
The given polynomial is
$= 54^2-52^2$
Use difference of two square pattern
$a^2-b^2=(a+b)(a-b)$.
We have $a=54$ and $b=52$.
$= (54+52)(54-52)$
Simplify.
$= (106)(2)$
Multiply.
$= 212$
Hence, the solution is $212$.