# Chapter 5 Polynomials and Polynomial Functions - 5.3 Add, Subtract, and Multiply Polynomials - 5.3 Exercises - Skill Practice - Page 350: 43

$$25p^2-9$$

#### Work Step by Step

These factors follow the sum and difference a binomial pattern listed on page 350. Thus, following this pattern, we get that the answer is: $$(5p)^2-(3^2)=25p^2-9$$

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