Question

Factor 15a3 + 40a

Answer 1

5a(3a^2 + 8)

Answer 2

=5a(3a2 + 8)

Answer 3

first..ask yourself this..what can you factor out from 15 and 40?

then ask yourself what can you factor from a^3 and a?

with these two info you should be able to factor it out :D

Answer 4

i understand