Question

If $m=2$ and $n=1$, then find the value of following polynomials:
$m+3n$

Answer 1

Let us substitute $m=2$ and $n=1$ in the given polynomial $m+3n$ as shown below:

$m+3n=2+(3\times 1)=2+3=5$

Hence, $m+3n=5$, if $m=2$ and $n=1$.