### Home > AC > Chapter 5 > Lesson 5.1.3 > Problem 5-32

5-32.

### Missing problem for Book AC => Chapter Ch5 => Lesson 5.1.3 => Problem 5-32

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These expressions are equivalent because of the Commutative properties of Addition, *x* + 3 = 3 + *x*,

and because of the Commutative properties of Multiplication, (*x* + 3)(*x* − 1) = (*x* − 1)(x + 3).