Question

2. Factor out the GCF: r^3+3r^2+4r
a. r(r^2+3r+4)
b. r^2 (r+3r+4)
c. r^2 (r^2+3r+4)
d. r(r^3+3r^2+4r)

Answer 1

\(\bf r^3+(3r)^2+4r\implies r^3+(3^2r^2)+4r
\\ \quad \\
r{\color{red}{ r}}r+33{\color{red}{ r}}r+4{\color{red}{ r}}\)

Answer 2

from the solution, the answer is A

Answer 3

ok, thanks

Answer 4

please close the question