# Chapter 5 - Section 5.1 - Adding and Subtracting Polynomials - Exercise Set: 61

-4x$^2$-4x-6

#### Work Step by Step

Distribute the negative sign to the parentheses and then combine like terms. (x$^2$-8x-9)-(5x$^2$-4x-3) x$^2$-8x-9-5x$^2$+4x+3 (x$^2$-5x$^2$)+(-8x+4x)+(-9+3) -4x$^2$+(-4x)+(-6) -4x$^2$-4x-6

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