# Chapter 3 - Exponents, Polynomials and Functions - Chapter Review Exercises - Page 288: 55

(3m+10)(3m-10)

#### Work Step by Step

9m$^2$-100 This polynomial is a difference of squares. If a is the square root of the first term and b is the square root of the second term, then the factorization is (a+b)(a-b). $\sqrt {9m^2}$=3m and $\sqrt {100}$=10. So (3m+10)(3m-10).

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