Answer
True
Work Step by Step
The statement is true because $x^2+4$ is prime. We know it is prime because there are no factors of $4$ that sum to the middle term $0$ (since we can re-write the polynomial as $x^2+0x+4$).
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.4 Factoring Polynomials - A.4 Assess Your Understanding - Page A39: 3
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