Answer
Appendix A - Practice : 6 (Answer)
$(14x^{4} - 6x^{3} + x^{2} - 6) + (x^{3} - 5x^{2} + 1)$
$= 14x^{4} - 5x^{3} - 4x^{2} - 5$
Work Step by Step
Appendix A - Practice : 6 (Solution)
$(14x^{4} - 6x^{3} + x^{2} - 6) + (x^{3} - 5x^{2} + 1)$
$= 14x^{4} - 6x^{3} + x^{3} + x^{2} - 5x^{2} - 6 + 1$ (Group like terms)
$= 14x^{4} - 5x^{3} - 4x^{2} - 5$ (Combine like terms)