Chapter 5 - Polynomials and Factoring - 5.1 Introduction to Factoring - 5.1 Exercise Set - Page 311: 69

$4x^2+5x-13$

Work Step by Step

The given expression, $(3x^2-x-3)-(-x^2-6x+10) ,$ simplifies to \begin{array}{l}\require{cancel} 3x^2-x-3+x^2+6x-10 \\\\= (3x^2+x^2)+(-x+6x)+(-3-10) \\\\= 4x^2+5x-13 .\end{array}

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