# Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set - Page 717: 5

$42x^4-35x^3+49x^2$

#### Work Step by Step

$7x^2(6x^2-5x+7)=7x^2(6x^2)-7x^2(5x)+7x^2(7)=42x^4-35x^3+49x^2$

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