# Chapter 1 - Introduction to Algebraic Expressions - Review Exercises: Chapter 1: 64

$3x^4+10x$

#### Work Step by Step

The given expression, $11x^4+2x+8(x-x^4)$, simplifies to \begin{array}{l} 11x^4+2x+8(x)+8(-x^4) \\\\= 11x^4+2x+8x-8x^4 \\\\= (11x^4-8x^4)+(2x+8x) \\\\= 3x^4+10x .\end{array}

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