# Chapter P, Prerequisites - Section P.6 - Factoring - P.6 Exercises - Page 42: 5

$(A-B)(A+B)$; $(2x-5)(2x+5)$

#### Work Step by Step

The special factoring formula for the "difference of two square" is: $A^2-B^2=(A-B)(A+B)$ Thus, $4x^2-25$ factors as $(2x-5)(2x+5)$

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