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

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

#### Work Step by Step

By simplifying the brackets we get = $9t^{4} + 5t + 8 - 3t^{2} + 6t + 4$ Then we add like terms together which are terms that have the same variables. = $9t^{4} - 3t^{2} + 6t + 5t + 4 + 8$ = $9t^{4} - 3t^{2} + 11t + 12$

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