# Chapter 8 - Polynomials and Factoring - Mid-Chapter Quiz - Page 510: 8

$9t^{4}-3t^{2}+11t+12$

#### Work Step by Step

Subtract vertically. Line up like terms. $\begin{array}{lllll} 9t^{4} & & +5t & +8 & \\ & 3t^{2} & -6t & -4 & \\ -- & -- & -- & -- & subtract\\ 9t^{4} & 3t^{2} & 11t & 12 & \end{array}$ Answer: $9t^{4}-3t^{2}+11t+12$

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