Answer
$14-11(5m+3n)=14-55m-33n$
Work Step by Step
$14-11(5m+3n)$
Multiply $11$ by every term inside the parentheses:
$14-11(5m+3n)=14-55m-33n$
There are no like terms in the resulting expression. So we leave said expression as the answer to this problem.