## Calculus 8th Edition

Published by Cengage

# Appendix A - Numbers, Inequalities, and Absolute Values - A Exercises - Page A9: 29

#### Answer

$(-\infty,\infty)$

#### Work Step by Step

Simplify the Expression on one side x^2+x+1>0 Since inequality works for all values of $x$ the solution set of all real numbers $(-\infty,\infty)$

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