# Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set: 86

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#### Work Step by Step

We are given the expression $5(2z^{3}-6)+10(3-z^{3})$. We can use the distributive property and then combine like terms to simplify. $5\times(2z^{3}-6)+10\times(3-z^{3})=10z^{3}-30+30-10z^{3}$ $=(10z^{3}-10z^{3})+(30-30)=(0)-(0)=0$

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