# Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Practice and Problem-Solving Exercises - Page 495: 30

15$y^{5}$-40$y^{3}$

#### Work Step by Step

Given: -5$y^{2}$(-3$y^{3}$+8y) Distributive property: -5$y^{2}$(-3$y^{3}$)+(-5$y^{2}$)(8y) Simplify: 15$y^{2+3}$-40$y^{2+1}$ Simplify: 15$y^{5}$-40$y^{3}$

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