# Chapter 4 - Polynomials - Test: Chapter 4: 34

$48+34y-5y^2$

#### Work Step by Step

Using $(a+b)(c+d)=ac+ad+bc+bd$ or the product of 2 binomials, the product of the given expression, $(8-y)(6+5y) ,$ is \begin{array}{l}\require{cancel} 8(6)+8(5y)-y(6)-y(5y) \\\\= 48+40y-6y-5y^2 \\\\= 48+34y-5y^2 .\end{array}

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