Answer
$$5m^{2}-11m+45$$
Work Step by Step
Initial equation: $m(5m-2)+9(5-m)$
First, distribute the $m$ and $9$ to their respective parenthesis:
$$5m^{2}-2m+45-9m$$ Finally, combine like terms to arrive at final answer:
$$5m^{2}-11m+45$$
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