# Chapter 1 - Introduction to Algebraic Expressions - Study Summary - Practice Exercises: 6

$50m+90n+10$

#### Work Step by Step

Using the Distributive Property which is given by $a(b+c)=ab+ac,$ the expression, $10(5m+9n+1) ,$ is equivalent to \begin{array}{l}\require{cancel} 10(5m)+10(9n)+10(1) \\\\= 50m+90n+10 .\end{array}

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