# Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set: 48

7

#### Work Step by Step

When x=2: $\frac{7x^{3}}{14}$-x+5 =$\frac{7(2)^{3}}{14}$-(2)+5 =$\frac{7(8)}{14}$-2+5 =$\frac{56}{14}$-2+5 =4-2+5 =2+5 =7

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