### Home > PC3 > Chapter 4 > Lesson 4.1.3 > Problem4-42

4-42.

State the degree and determine all of the roots of $p(x)=5(x+4)(5x^2+4x+20)$.

If you were to expand the polynomial, what would the highest power of $x$ be?

Solve:
$x+4=0$
$5x^2+4x+20=0$